Ethyl sentence examples

ethyl
  • Normal values of K were given by nitrogen peroxide, N204, sulphur chloride, S 2 C1 21 silicon tetrachloride, SiC1 4, phosphorus chloride, PC1 3, phosphoryl chloride, POC1 31 nickel carbonyl, Ni(CO) 4, carbon disulphide, benzene, pyridine, ether, methyl propyl ketone; association characterized many hydroxylic compounds: for ethyl alcohol the factor of association was 2.74-2.43, for n-propyl alcohol 2.86-2.72, acetic acid 3.62 -2.77, acetone 1 .

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  • The acid may also be obtained by passing carbon monoxide over a mixture of sodium phenolate and sodium carbonate at 200°C.: Na2C03+ C 6 H 2 ONa+CO = C 7 H 4 O 2 Na 2 -{- HC02Na;and by heating sodium phenolate with ethyl phenyl carbonate to 200° C.: [[Cghso.

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  • Ethyl salicylate, C 6 H 4 (OH) CO 2 C 2 H 5j is obtained by boiling salicylic acid with alcohol and a little sulphuric acid, or by dropping an alcoholic solution of salicylic acid into 13-naphthalene sulphonic acid at a temperature of 140-150° C. (German Patent 76,574).

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  • It is a liquid, smelling like fusel oil and boiling at 108.4° C. Methyl ethyl carbinol, CH 3 C 2 H 5 CHOH, is the secondary alcohol derived from nbutane.

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  • Another fact of considerable technical importance is, that the various races of yeast show considerable differences in the amount and proportion of fermentation products other than ethyl alcohol and carbonic acid which they produce.

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  • Many organic compounds of boron are known; thus, from the action of the trichloride on ethyl alcohol or on methyl alcohol, ethyl borate B(OC2H5)3 and methyl borate B(OCH 3) 3 are obtained.

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  • By the action of zinc methyl on ethyl borate, in the requisite proportions, boron trimethyl is obtained, thus :-2B(OC2H5)2+ 6Zn(CH 3) 2 =2B(CH 3) 3 +6Zn< OC2H5 as a colourless spontaneously inflammable gas of unbearable smell.

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  • rend., 1904 seq.) by fractional crystallization of the nickel double nitrates, the ethyl sulphates, and the bismuth double nitrates of the terbium earths.

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  • It is a colourless pleasant-smelling liquid which boils at 154.3° C. Phenetol, phenyl ethyl ether, C 6 H 5.

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  • The acid is considered to possess the structure 0 2 S(SH) (OH), since sodium thiosulphate reacts with ethyl bromide to give sodium ethyl thiosulphate, which on treatment with barium chloride gives presumably barium ethyl thiosulphate.

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  • Held synthesized the acid from ethyl chlor-acetoacetate (from chlorine and acetoacetic ester) by heating with potassium cyanide and saponifying the resulting nitrile.

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  • Its ethyl ester condenses with hydrazine to form pyrazolone (R.

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  • However, in 1833, Berzelius reverted to his earlier opinion that oxygenated radicals were incompatible with his electrochemical theory; he regarded benzoyl as an oxide of the radical C 14 H 1Q, which he named " picramyl " (from 7rucp6s, bitter, and &uvyalk, almond), the peroxide being anhydrous benzoic acid; and he dismissed the views of Gay Lussac and Dumas that ethylene was the radical of ether, alcohol and ethyl chloride, setting up in their place the idea that ether was a suboxide of ethyl, (C2H5)20, which was analogous to K 2 0, while alcohol was an oxide of a radical C 2 H 6; thus annihilating any relation between these two compounds.

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  • This view was modified by Liebig, who regarded ether as ethyl oxide, and alcohol as the hydrate of ethyl oxide; here, however, he was in error, for he attributed to alcohol a molecular weight double its true value.

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  • Notwithstanding these errors, the value of the " ethyl theory " was perceived; other radicals - formyl, methyl, amyl, acetyl, &c. - were characterized; Dumas, in 1837, admitted the failure of the etherin theory; and, in company with Liebig, he defined organic chemistry as the " chemistry of compound radicals."

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  • Williamson showed how alcohol and ether were to be regarded as derived from water by substituting one or both hydrogen atoms by the ethyl group; he derived acids and the acid anhydrides from the same type; and from a comparison of many inorganic and the simple organic compounds he concluded that this notion of a " water-type " clarified, in no small measure, the conception of the structure of compounds.

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  • From similar investigations of valerianic acid he was led to conclude that fatty acids were oxygen compounds of the radicals hydrogen, methyl, ethyl, &c., combined with the double carbon equivalent C2.

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  • the molecular weights were the same as in use to-day.) This connecting link, C2, was regarded as essential, while the methyl, ethyl, &c. was but a sort of appendage; but Kolbe could not clearly conceive the manner of copulation.

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  • We may notice that ethyl oxalosuccinonitrile is the first case of a fluorescent aliphatic compound.

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  • This compound gives a blue potassiumand lithium-ultramarine when treated with the corresponding chloride, and an ethyl-ultramarine when treated with ethyl icdide.

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  • With sodium ethylate in ethyl acetate solution it forms the sodium derivative of benzoyl acetone, from which benzoyl acetone, C6H5.CO.CH2.CO.CH3, can be obtained by acidification with acetic acid.

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  • The reaction is a general one for all aldehydes with zinc methyl and zinc ethyl, but not with the higher zinc alkyls.

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  • It is prepared by oxidizing ethyl alcohol with dilute sulphuric acid and potassium bichromate, and is a colourless liquid of boiling point 20�8° C., possessing a peculiar characteristic smell.

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  • Chromic acid oxidizes it to acetic acid and ozone oxidizes it to ethyl peroxide.

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  • In contact with hydriodic acid gas at o° C., it forms ethyl iodide (R.

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  • For this purpose it is best applied as a fine spray, but ethyl chloride is generally found more efficient and produces less subsequent discomfort.

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  • Silicon hydride, SiH4, is obtained in an impure condition, as a spontaneously inflammable gas, by decomposing magnesium silicide with hydrochloric acid, or by the direct union of silicon and hydrogen in the electric arc. In the pure state it may be prepared by decomposing ethyl silicoformate in the presence of sodium (C. Friedel and A.

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  • From the alloy containing 25% of silicon, the excess of magnesium is removed by a mixture of ethyl iodide and ether and a residue consisting of slate-blue octahedral crystals of magnesium silicide is left.

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  • Triethyl silicol, (C2H5),Si OH, is a true alcohol, obtained by condensing zinc ethyl with silicic ester, the resulting substance of composition, (C2H5)3 SiOC2H51 with acetyl chloride yielding a chloro-compound (C2H5)3SiC1, which with aqueous ammonia yields the alcohol.

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  • Potassium ethyl carbonate, KO CO.

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  • It is easily broken down by many substances (aluminium chloride, zinc chloride, &c.) into ethyl chloride and carbon dioxide.

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  • Rhamnose or isodulcite, a component of certain glucosides, fucose, found combined in seaweeds and chinovose, present as its ethyl ester, chinovite, in varieties of quina-bark, are methyl pentoses.

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  • sodium nitrite, ethyl nitrite, amyl nitrite) cause relaxation of involuntary muscular fibre and therefore relieve the asthmatic attacks, which depend upon spasm of the involuntary muscles in the bronchial tubes.

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  • These on the one hand resulted in the enunciation of his ethyl theory, by the light of which he looked upon those substances as compounds of the radicle ethyl (C 2 H 5), in opposition to the view of J.

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  • This followed from a study of the decomposition products, there being obtained hemipinic acid (CH 3 0) 2 C 6 H 2 (000H) 2, and a substance which proved to be co - amino - ethyl - piperonyl carboxylic acid, CH 2 O 2 :C 6 H 2 [[Cooh-Ch 2 Ch 2 Nh]] 2.

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  • The aqueous solution of the amines is now shaken up with diethyl oxalate, when the primary amine forms a crystalline dialkyl oxamide and the secondary amine an insoluble liquid, which is an ethyl dialkyl oxamate, the tertiary amine not reacting: (C02C2H5)2+ 2NH 2 R = (CO�NHR) 2 -{- 2C 2 H S OH; (CO 2 C 2 H 5) 2 -}- NHR 2 = C 2 H S O 2 C�Conr 2 -1-C 2 H S Oh.

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  • Soc., 1901, 79, p. 828) has resolved benzyl-allyl-phenyl-methylamine iodide by boiling with silver d-camphorsulphonate in a nearly anhydrous mixture of acetone and ethyl acetate.

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  • Examples are water and methyl or ethyl alcohol.

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  • If a solution of potassium acetate be electrolysed the products are ethane, carbon dioxide, potash and hydrogen; in a similar manner, normal potassium succinate gives ethylene, carbon dioxide, potash and hydrogen; these reactions may be represented: CH 3 �CO 2;K CH 3 CO 2 K' CH 2 �CO 2 1K CH 2 CO 2 K' --> I + + I I -i iI + CH 3 �CO 21 K CH 3 CO 2 K' CH 2 �CO 2 iK CH 2 CO 2 K' By electrolysing a solution of potassium ethyl succinate, KO 2 C�(CH 2) 2 CO 2 C 2 H 5, the KO 2 C� groups are split off and the two residues �(CH 2) 2 CO 2 C 2 H 5 combine to form the ester (CH2)4(C02C2H5)2.

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  • In the same way, by electrolysing a mixture of a metallic salt and an ester, other nuclei may be condensed; thus potassium acetate and potassium ethyl succinate yield CH 3 * CH2 � CH2 � C02 C2H5.

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  • Ethyl oxalate, (C0.0C2H5)2, prepared by boiling anhydrous oxalic acid with absolute alcohol, is a colourless liquid which boils at 186° C. Methyl oxalate (CO.

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  • Its ethyl ester, known as oxamaethane, crystallizes in rhombic plates which melt at 114-115° C. Phosphorus pentachloride converts it into cyan-carbonic ester, the ethyl oxamine chloride first formed being unstable: ROOC CONH2 -R000 C(C1 2) NH 2 --)CN COOR.

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  • Substituted oxamides are produced by the action of primary amines on ethyl oxalate.

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  • Ordinary alcohol, which we shall frequently refer to by its specific name, ethyl alcohol, seldom occurs in the vegetable kingdom; the unripe seeds of Heracleum giganteum and H.

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  • Sphondylium contain it mixed with ethyl alcool.

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  • Pure ethyl alcohol is a colourless, mobile liquid of an agreeable odour.

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  • Commercial alcohol or "spirits of wine" contains about 90% of pure ethyl alcohol, the remainder being water.

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  • Traces of ethyl alcohol in solutions are detected and estimated by oxidation to acetaldehyde, or by conversion into iodoform by warming with iodine and potassium hydroxide.

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  • An alternative method consists in converting it into ethyl benzoate by shaking with benzoyl chloride and caustic soda.

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  • It dissolves most organic compounds, resins, hydrocarbons, fatty acids and many metallic salts, sometimes forming, in the latter case, crystalline compounds in which the ethyl alcohol plays a role similar to that of water of crystallization.

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  • Potassium and sodium readily dissolve in ethyl alcohol with the production of alcoholates of the formula C2 H5 OK(Na).

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  • The phosphorous haloids give the corresponding ethyl haloid.

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  • Oxidation of ethyl alcohol gives acetaldehyde and acetic acid.

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  • The results given below, which are selected from a much larger series published in the Journal of the Chemical Society, were obtained by heating samples of the different coals in vacuo for several hours at the temperature of boiling water: - In one instance about i% of hydride of ethyl was found in the gas from a blower in a pit in the Rhondda district, which was collected in a tube and brought to the surface to be used in lighting the engine-room and pit-bank.

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  • In contact with nascent hydrogen it builds up ethylene; ethylene acted upon by sulphuric acid yields ethyl sulphuric acid; this can again be decomposed in the presence of water, to yield alcohol, and it has also been proposed to manufacture sugar from this body.

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  • The amount of methyl alcohol present in wood spirit is determined by converting it into methyl iodide by acting with phosphorus iodide; and the acetone by converting it into iodoform by boiling with an alkaline solution of iodine in potassium iodide; ethyl alcohol is detected by giving acetylene on heating with concentrated sulphuric acid, methyl alcohol, !under the same circumstances, giving methyl ether.

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  • Oxidation gives formaldehyde, formic acid and carbonic acid; chlorine and bromine react, but less readily than with ethyl alcohol.

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  • It fumes in air; with water it gives ZrOI 2.8H 2 0; and with alcohol ethyl iodide and zirconium hydroxide are formed.

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  • p. 55) by the interaction of nitrogen iodide with zinc ethyl, the products of the reaction being triethylamine and ammonia; the ammonia liberated was absorbed in hydrochloric acid, and 95% of the theoretical amount of the ammonium chloride was obtained.

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  • Carbon suboxide, C302, is formed by the action of phosphorus pentoxide on ethyl malonate (0.

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  • It Is Also Formed When Sulphur Trioxide Reacts With Carbon Bisulphide At 100° C., Cs2 3S03 =Cos 4So 2, And By The Decomposition Of Ethyl Potassium Thiocarbonate With Hydrochloric Acid, Co(0C2115)Sk Hc1= Cos Kc1 C 2 H 5 Oh.

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  • It can be prepared by the reduction of phenyl propiolic acid with zinc and acetic acid, by heating benzal malonic acid, by the condensation of ethyl acetate with benzaldehyde in the presence of sodium ethylate or by the so-called "Perkin reaction"; the latter being the method commonly employed.

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  • Aeuer (Ber., 1904, 37, p. 2 53 6; Ann., 1904, 337, p. 362), who converted pure ethyl iodide into hydriodic acid and subsequently into silver iodide, which they then analysed, obtained the value 126.026 (H =1); a discussion of this and other values gave as a mean 126.97 (0=16).

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  • It is detected by heating with ordinary alcohol and sulphuric acid, which gives rise to acetic ester or ethyl acetate, recognized by its" fragrant odour; or by heating with arsenious oxide, which forms the pungent and poisonous cacodyl oxide.

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  • Soc., 1880, 37, p. 740) by the action of cyanogen gas on zinc ethyl.

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  • Nef to be divalent, since these substances readily form addition compounds, such addition taking place on the carbon atom, as is shown by the products of hydrolysis; for example with ethyl carbylamine: C 2 H 5 NC -FCH 3 C0C1--> C 2 H 5 NC(00CH 3)CI -->HCI -{- C2H5NH3 -fCH3CO C02H.

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  • - Considerable discussion has taken place as to the structure of the metallic cyanides, since potassium cyanide and silver cyanide react with alkyl iodides to form nitriles and isonitriles respectively, thus apparently pointing to the fact that these two compounds possess the formulae KCN and AgNC. The metallic cyanides are analogous to the alkyl isocyanides, since they form soluble double silver salts, and the fact that ethyl ferrocyanide on distillation yields ethyl isocyanide also points to their isocyanide structure.

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  • Formamide, Hconh 2, is obtained by heating ethyl formate with ammonia; by heating ammonium formate with urea to 140° C., 2HCO.

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  • ETHYL, in chemistry, the name given to the alkyl radical C 2 H 5.

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  • Ethyl chloride >>

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  • Thus in the ethyl series we find an absorption at 740, and a characteristic band, one edge of which is at 892 and the other at 920.

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  • If we find a body containing the 740 absorption and a band with the most refrangible edge commencing at 892, or with the least refrangible edge terminating at 920, we may be pretty sure that we have an ethyl radical present.

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  • The only trace we can find at present is in ethyl bromide, in which the radical band about 90o is curtailed in one wing.

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  • Methacrylic acid was first obtained in the form of its ethyl ester by E.

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  • Heated with anhydrous sodium acetate and acetic anhydride it gives cinnamic acid; with ethyl bromide and sodium it forms triphenyl-carbinol (C 6 H 5) 3 C OH; with dimethylaniline and anhydrous zinc chloride it forms leuco-malachite green C6H5CH[C6H4N(CH3)2]2; and with dimethylaniline and concentrated hydrochloric acid it gives dimethylaminobenzhydrol, C 6 H 5 CH(OH)C 6 H 4 N(CH 3) 2.

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  • By heating magnesium filings with methyl and ethyl iodides A.

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  • That orthoboric acid is a tribasic acid is shown by the formation of ethyl orthoborate on esterification, the vapour density of which corresponds to the molecular formula B(0C2H5)3; the molecular formula of the acid must consequently be B(OH) 3 or H 3 B0 3.

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  • In the preparation of chloroform by the action of bleaching powder on ethyl alcohol it is probable that the alcohol is ..rst oxidized to acetaldehyde, which is subsequently chlorinated and then decomposed.

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  • Acetyl acetone, CH 3 CO CH 2 CO CH 3, may be prepared by the action of aluminium chloride on acetyl chloride, or by condensing ethyl acetate with acetone in the presence of sodium (L.

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  • The first aliphatic diazo compound to be isolated was diazoacetic ester, CH N2 CO 2 C 2 H 5 i which is prepared by the action of potassium nitrite on the ethyl ester of glycocoll hydrochloride,HCl NH2 CH2 C02C2H 5 -1-KNO 2 =CHN 2 CO 2 C 2 H 5+ KCI+2H 2 O.

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  • It is a yellowish oil which melts at - 24° C.; it boils at 143-144° C., but cannot be distilled safely as it decomposes violently, giving nitrogen and ethyl fumarate.

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  • When heated with water it forms ethyl hydroxy-acetate; with alcohol it yields ethyl ethoxyacetate.

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  • With the Grignard reagent, they form addition compounds which on the addition of water yield tertiary alcohols, except in the case of ethyl formate, where a secondary alcohol is obtained.

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  • Phys., 1862 (3), 65, p. 385 et seq.) have shown in the case of the formation of ethyl acetate from ethyl alcohol and acetic acid, a point of equilibrium is reached, beyond which the reacting system cannot pass, unless the system be disturbed in some way by the removal of one of the products of the reaction.

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  • Ethyl formate, H CO 2 C 2 H 5, boils at 55° C. and has been used in the artificial preparation of rum.

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  • Ethyl acetate (acetic ether), CH3.002C2H5, boils at 75° C. Isoamylisovalerate, C4H9 C02C5Hn, boils at 196° C. and has an odour of apples.

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  • Ethyl butyrate, C3H7 C02C2H5, boils at 121° C. and has an odour of pineapple.

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  • Ethyl hydrogen sulphate (sulphovinic acid), C2H 5.

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  • Ethyl nitrate, C2H5.0N02, is a colourless liquid which boils at 86.3° C. It is prepared by the action of nitric acid on ethyl alcohol (some urea being added to the nitric acid, in order to destroy any nitrous acid that might be produced in secondary reactions and which, if not removed, would cause explosive decomposition of the ethyl nitrate).

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  • Ethyl nitrite, C2H5.

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  • Isobutyric acid is found in the free state in carobs (Ceratonia siliqua) and in the root of Arnica dulcis, and as an ethyl ester in croton oil.

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  • Fusel, bad spirits), the name applied to the volatile oily liquids, of a nauseous fiery taste and smell, which are obtained in the rectification of spirituous liquors made by the fermentation of grain, potatoes, the marc of grapes, and other material, and which, as they are of higher boiling point than ethyl alcohol, occur in largest quantity in the last portions of the distillate.

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  • Besides ethyl or ordinary alcohol, and amyl alcohol, which are present in them all, there have been found in fusel oil several other bodies of the C i, H 27, + 1.

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  • Pure ethyl alcohol intoxication, indeed, is rarely seen, being modified in the case of spirits by the higher alcohols contained in fusel oil.

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  • Benzamide, C 6 H 5 CONH 2, is prepared by the action of benzoyl chloride on ammonia or ammonium carbonate, or from ethyl benzoate and ammonia.

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  • It crystallizes (from water) in glistening leaflets which melt at 130° C. and boil at 288° C. Its silver salt behaves as if it were the salt of an imido benzoic acid, since it yields benzimido ethyl ether C 6 H 5 C(:NH) OC 2 H 5 with ethyl iodide (J.

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  • Methyl ethyl ether, CH 3.0.

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  • For diethyl ether see Ether, and for methyl phenyl ether (anisole) and ethyl phenyl ether (phenetole) see Carbolic Acid.

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  • ETHYL CHLORIDE, or Hydrochloric Ether, C 2 H 5 C1, a chemical compound prepared by passing dry hydrochloric acid gas into absolute alcohol.

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  • More volatile anaesthetics such as anestile or anaesthyl and coryl are produced by mixing with methyl chloride; a mixture of ethyl and methyl chlorides with ethyl bromide is known as somnoform.

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  • It is also produced by the electrolysis of a concentrated solution of potassium ethyl malonate.

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  • Geuther, who showed that the chief product of the action of sodium on ethyl acetate was a sodium compound of composition C6H903Na, which on treatment with acids gave a colourless, somewhat oily liquid of composition C6H1003.

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  • Duppa in 1865 examined the reaction and concluded that Geuther's sodium salt was a derivative of the ethyl ester of acetone carboxylic acid and possessed the constitution CH3CO�CHNa�OOOC2H5.

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  • The substance is best prepared by drying ethyl acetate over calcium chloride and treating it with sodium wire, which is best introduced in one operation; the liquid boils and is then heated on a water bath for some hours, until the sodium all dissolves.

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  • Wanklyn have shown that pure ethyl acetate free from alcohol will not react with sodium to produce aceto-acetic ester.

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  • The ketenes are usually obtained by the action of zinc on ethereal or ethyl acetate solutions of halogen substituted acid chlorides or bromides.

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  • Now we can see the reason for their administration, because the nitrous ether, consisting chiefly of ethyl nitrite, dilates the superficial vessels and thus allows greater escape of heat from the surface; while acetate of ammonia, by acting as a diaphoretic and stimulating the secretion of sweat, increases the loss of heat by evaporation.

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  • Corresponding antimony compounds containing the ethyl group. are known, as is also a tri-phenyl stibine, Sb(C6H5)3, which is prepared from antimony trichloride, sodium and monochlorbenzene.

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  • The proprietary drug " stypticin " is cotarnine hydrochloride, and " styptol " cotarnine phthalate; " antispasmin " is a sodium narceine combined with sodium salicylate, and " narcyl " narceine ethyl hydrochloride.

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  • Crum Brown and Fraser of Edinburgh showed that, whilst thebaine acts like strychnine, methyl and ethyl thebaine act like curara, paralysing the terminals of motor nerves.

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  • With methyl and ethyl alcohols it forms secondary amines (Vidal, Comptes rendus, 1891, 112, p. 950; 1892, 115, p. 123).

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  • CH 2 CH 2 ' and from the condensation of ethyl oxalate with esters of other dibasic acids in presence of sodium ethylate (W.

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  • Soc., 1888, 53, p. 1 94): C2H4Br2+2NaCH(C02R)2--->(CH 2) 2 C(CO 2 R) 2 +CH 2 (CO 2 R) 2; ethyl butane tetracarboxylate is also formed which may be converted into a tetramethylene carboxylic ester by the action of bromine on its disodium derivative (W.

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  • When sodio-malonic ester is condensed with trimethylene bromide the chief product is ethyl pentane tetracarboxylate, tetramethylene dicarboxylic ester being also formed, and from this the free acid may be obtained on hydrolysis.

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  • C. Lossen by the reduction of ethyl nitrate with tin and hydrochloric acid.

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  • Ethane, C 2 H 6, in a similar manner, can only give rise to one alcohol, namely ethyl alcohol, CH 3 CH 2 OH, which is also primary.

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  • By reacting with a zinc alkyl (methyl or ethyl) on an acid chloride, an addition compound is first formed, which decomposes with water to give a ketone.

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  • It is interesting to note that, whereas zinc methyl and ethyl give tertiary alcohols, zinc propyl only gives secondary alcohols.

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  • The following monatomic alcohols receive special treatment under their own headings: - Alcohol (Ethyl), Allyl Alcohol, Amyl Alcohols, Benzyl Alcohol, Butyl Acohols, Methyl Alcohol, and Propyl Alcohols.

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  • It may be obtained in small quantity by passing ethylene or acetylene into boiling sulphur; by passing ethyl sulphide through a red-hot tube; by heating crotonic acid, butyric acid or erythrite with phosphorus pentasulphide; by heating succinic anhydride with phosphorus pentasulphide or sodium succinate with phosphorus trisulphide (J.

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  • Ethyl mercaptan, C 2 H 5 .SH, is a colourless liquid which boils at 36.2° C. It is used commercially in the preparation of sulphonal.

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  • Thus amyl acetate is used as an imitation of the jargonelle-pear flavour; amyl valerate replaces apple flavour, and a mixture of ethyl and propyl butyrates yields the so-called pine-apple flavour.

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  • NH 2 NH2 Diorthodiaminodiphenyl, -, isobtained bythe reduction of the corresponding nitro compound (obtained by the action of ethyl nitrite at o° C. on metadinitrobenzidine hydrochloride).

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  • Ethyl alcohol is taken as a type of the action of methyl alcohol, amyl alcohol, propyl alcohol, ether, acetic ether, paraldehyde, sulphonal, chloroform, methyl chloride, ethyl chloride, chloral hydrate, butylchloral hydrate, and almost any number of derivatives from these.

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  • - This group contains amyl nitrite, ethyl nitrite, methyl nitrite, nitroglycerin, sodium and potassium nitrites, erythrol-tetranitrate, and many other compounds containing nitrous or nitric acid.

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  • (Ethyl benzoate may be employed instead of benzoyl glycollic acid for this reaction.) This compound gave a nitroso compound with nitrous acid, which changed spontaneously into benzoylazoimide by loss of water: C 6 H 5 CO NH.

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  • The first method invented was a chemical solvent method using either methylene chloride or ethyl acetate.

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  • Toxic activity partitioned quantitatively into ethyl acetate but about 11% of the activity was not adsorbed by solid phase C18 cartridges.

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  • Solutions of about 10% ethyl or methyl alcohol added slowly to several drops of culture seem to work best.

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  • The Environment Agency issued two new reports covering volatile organic compounds and new Soil Guidance Values covering contamination from toluene and ethyl benzene.

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  • The majority of samples 114 (56 per cent) contained ethyl carbamate in the range 11-30 microgram/l.

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  • A small number of samples from the present survey were found to have elevated levels of ethyl carbamate.

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  • creatine ethyl esters.

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  • Impetigo: erythromycin; erythromycin ethyl succinate; erythromycin stearate; fusidic acid; and sodium fusidate.

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  • We'll start with a very, very simple ester like ethyl ethanoate - not something complicated like a fat or oil!

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  • This is now possible with the breakthrough scientific discovery of creatine ethyl esters.

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  • ethyl carbamate.

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  • ethyl ethanoate is: Notice that the ester is named the opposite way around from the way the formula is written.

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  • ethyl esters.

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  • ethyl ethyl ketone peroxide) and is particularly dangerous.

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  • ethylene chloride or ethyl acetate.

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  • ethyl ether are lighter than water solvents.

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  • Isoflurane is a methyl ethyl ethyl ether with a blood:gas solubility 1.4 and MAC 1.2% .

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  • The " lead " used in 4 star are organic compounds of lead - tetra ethyl lead and tetra methyl lead.

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  • For example, with ethanol you would get the ester ethyl ethanoate: .

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  • ethyl acetate fraction was further separated by flash chromatography on silica gel.

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  • Isoflurane is a methyl ethyl ether with a blood:gas solubility 1.4 and MAC 1.2% .

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  • Catalyst (hardener) used for polyester resins is an organic peroxide (methyl ethyl ketone peroxide) and is particularly dangerous.

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  • Check these out: Citrulline ethyl ester hcl and Citrulline malate.

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  • Then we made a stab at industrial-scale production of ethyl mercaptan.

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  • Thimerosal is 50 per cent composed of ethyl mercury and is used as a preservative.

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  • Martinez M, Vazquez E. MRI evidence that docosahexaenoic acid ethyl ester improves myelination in generalized peroxisomal disorders.

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  • The " lead " used in 4 star are organic compounds of lead - tetra ethyl lead and tetra ethyl lead and tetra methyl lead.

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  • It yields a silver salt which with ethyl iodide forms benzimido-- ethyl ether, C 6 H 5 C: (NH) �OC 2 H 5, a behaviour which points to.

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  • Boron triethyl B(C 2 H 5) 3 is obtained in the same manner, by using zinc ethyl.

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  • It is a colourless spontaneously inflammable liquid of boiling point 95° C. By the action of one molecule of ethyl borate on two molecules of zinc ethyl, the compound B(C2H5)2.002H5 diethylboron ethoxide is obtained as a colourless liquid boiling at 102° C. By the action of water it is converted into B(C2H5)2.

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  • From the condensation of two molecules of ethyl borate with one molecule of zinc ethyl the compound B2 C2H5.

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  • It is a colourless pleasant-smelling liquid which boils at 154.3° C. Phenetol, phenyl ethyl ether, C 6 H 5.

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  • Equally well we may derive it from methane by replacing a hydrogen atom by the monovalent group CH 2 CH 31 named ethyl; hence propane may be considered as " ethylmethane."

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  • Further, since methane may be regarded as formed b y the conjunction of a methyl group with a hydrogen atom, it may be named " methyl hydride "; similarly ethane is " ethyl hydride," propane, " propyl hydride," and so on.

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  • The importance of such groups as methyl, ethyl, &c. in attempting a nomenclature of organic compounds cannot be overestimated; these compound radicals, fre q uently termed alkyl radicals, serve a similar purpose to the organic chemist as the elements to the inorganic chemist.

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  • Thus from ethyl alcohol there can be prepared compounds, termed esters, or ethereal salts, exactly comparable in structure with corresponding salts of, say, potassium; by the action of the phosphorus haloids, the hydroxyl group is replaced by a halogen atom with the formation of derivatives of the type R Cl(Br,I); nitric acid forms nitrates, R O NO 2; nitrous acid, nitrites, R O NO; sulphuric acid gives normal sulphates R 2 SO 4, or acid sulphates, R SO 4 H.

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  • 184.8° Ethyl heptoate..

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  • We may notice that ethyl oxalosuccinonitrile is the first case of a fluorescent aliphatic compound (see W.

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  • The acid may also be obtained by passing carbon monoxide over a mixture of sodium phenolate and sodium carbonate at 200°C.: Na2C03+ C 6 H 2 ONa+CO = C 7 H 4 O 2 Na 2 -{- HC02Na;and by heating sodium phenolate with ethyl phenyl carbonate to 200° C.: [[Cghso.

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  • Ethyl salicylate, C 6 H 4 (OH) CO 2 C 2 H 5j is obtained by boiling salicylic acid with alcohol and a little sulphuric acid, or by dropping an alcoholic solution of salicylic acid into 13-naphthalene sulphonic acid at a temperature of 140-150° C. (German Patent 76,574).

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  • It is a liquid, smelling like fusel oil and boiling at 108.4° C. Methyl ethyl carbinol, CH 3 C 2 H 5 CHOH, is the secondary alcohol derived from nbutane.

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  • It is prepared by oxidizing ethyl alcohol with dilute sulphuric acid and potassium bichromate, and is a colourless liquid of boiling point 20�8° C., possessing a peculiar characteristic smell.

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  • It may also be prepared by oxidizing ethyl alcohol with manganese dioxide and sulphuric acid (A.

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  • In contact with hydriodic acid gas at o° C., it forms ethyl iodide (R.

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  • 60 at 15° C. One gram requires for solution between Boo and moo c.c. of water, 4 c.c. of absolute alcohol or 18 c.c. of wood spirit, and it is scarcely at all soluble in glycerin itself, but mixes in all proportions with ether, acetone, ethyl acetate and benzene.

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  • When it is heated to 120° C. with sodium ethylate it decomposes into ethyl ether and sodium ethyl carbonate (A.

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  • The aqueous solution of the amines is now shaken up with diethyl oxalate, when the primary amine forms a crystalline dialkyl oxamide and the secondary amine an insoluble liquid, which is an ethyl dialkyl oxamate, the tertiary amine not reacting: (C02C2H5)2+ 2NH 2 R = (CO�NHR) 2 -{- 2C 2 H S OH; (CO 2 C 2 H 5) 2 -}- NHR 2 = C 2 H S O 2 C�Conr 2 -1-C 2 H S Oh.

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  • If a solution of potassium acetate be electrolysed the products are ethane, carbon dioxide, potash and hydrogen; in a similar manner, normal potassium succinate gives ethylene, carbon dioxide, potash and hydrogen; these reactions may be represented: CH 3 �CO 2;K CH 3 CO 2 K' CH 2 �CO 2 1K CH 2 CO 2 K' --> I + + I I -i iI + CH 3 �CO 21 K CH 3 CO 2 K' CH 2 �CO 2 iK CH 2 CO 2 K' By electrolysing a solution of potassium ethyl succinate, KO 2 C�(CH 2) 2 CO 2 C 2 H 5, the KO 2 C� groups are split off and the two residues �(CH 2) 2 CO 2 C 2 H 5 combine to form the ester (CH2)4(C02C2H5)2.

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  • In the same way, by electrolysing a mixture of a metallic salt and an ester, other nuclei may be condensed; thus potassium acetate and potassium ethyl succinate yield CH 3 * CH2 � CH2 � C02 C2H5.

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  • Ethyl oxalate, (C0.0C2H5)2, prepared by boiling anhydrous oxalic acid with absolute alcohol, is a colourless liquid which boils at 186° C. Methyl oxalate (CO.

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  • An impure oxalyl chloride, a liquid boiling at 70° C:, has been obtained by the action of phosphorus pentachloride on ethyl oxalate.

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  • Its ethyl ester, known as oxamaethane, crystallizes in rhombic plates which melt at 114-115° C. Phosphorus pentachloride converts it into cyan-carbonic ester, the ethyl oxamine chloride first formed being unstable: ROOC CONH2 -R000 C(C1 2) NH 2 --)CN COOR.

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  • ALCOHOL, in commerce, the name generally given to "spirits of wine"; in systematic organic chemistry it has a wider meaning, being the generic name of a class of compounds (hydroxy hydrocarbons) of which ordinary alcohol (specifically ethyl alcohol) is a typical member (see Alcohols).

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  • The qualitative composition of ethyl alcohol was ascertained by A.

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  • converts it into ethyl sulphuric acid y p (see Ether), and sulphur trioxide gives carbyl sulphate.

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  • Ethyl chloride (from the phosphorus chlorides and alcohol) is an ethereal liquid boiling at 12.5° C., soluble in alcohol, but sparingly so in water.

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  • It Is Also Formed When Sulphur Trioxide Reacts With Carbon Bisulphide At 100° C., Cs2 3S03 =Cos 4So 2, And By The Decomposition Of Ethyl Potassium Thiocarbonate With Hydrochloric Acid, Co(0C2115)Sk Hc1= Cos Kc1 C 2 H 5 Oh.

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  • The same type of reaction occurs when the metal is relatively electro-positive to the added radical, for example, with ethyl isocyanide and acetyl chloride (see above); compare also AgNC --AgN(:Cl 000H 3)C -->AgCl+CH,000N.

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  • Formamide, Hconh 2, is obtained by heating ethyl formate with ammonia; by heating ammonium formate with urea to 140° C., 2HCO.

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  • The presence of the heptamethylene ring in these compounds is shown by the production of suberone by the exhaustive methylation, &c., of hydroecgoni dine ethyl ester (see POLYMETHYLENES and TROPINE).

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  • phys., 1860, 58, pp. 5, 19) obtained magnesium methyl, Mg(CH 3) 2, and magnesium ethyl, Mg(C 2 H 5) 2, as colourless, strongly smelling, mobile liquids, which are spontaneously inflammable and are readily decomposed by water.

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  • It may be prepared by the action of bleaching powder on many carbon compounds, such, for example, as ethyl alcohol and acetone (E.

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  • Sodium in boiling ethyl alcohol gives the a-dihydride, C l otho (E.

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  • (3-Nitronaphthalene is prepared by acting with ethyl nitrite on an alcoholic solution of 2-nitro-a-naphthylamine in the presence of sulphuric acid (E.

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  • It is a yellowish oil which melts at - 24° C.; it boils at 143-144° C., but cannot be distilled safely as it decomposes violently, giving nitrogen and ethyl fumarate.

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  • Ethyl formate, H CO 2 C 2 H 5, boils at 55° C. and has been used in the artificial preparation of rum.

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  • Ethyl acetate (acetic ether), CH3.002C2H5, boils at 75° C. Isoamylisovalerate, C4H9 C02C5Hn, boils at 196° C. and has an odour of apples.

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  • Ethyl butyrate, C3H7 C02C2H5, boils at 121° C. and has an odour of pineapple.

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  • Ethyl nitrate, C2H5.0N02, is a colourless liquid which boils at 86.3° C. It is prepared by the action of nitric acid on ethyl alcohol (some urea being added to the nitric acid, in order to destroy any nitrous acid that might be produced in secondary reactions and which, if not removed, would cause explosive decomposition of the ethyl nitrate).

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  • It may be prepared by the hydrolysis of ethyl acetoacetate, or by passing carbon monoxide over a mixture of sodium acetate and sodium ethylate at 205° C. (A.

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  • Ethyl benzoate, C 6 H S 000C 2 H 5, is best prepared by boiling benzoic acid and alcohol with a small quantity of sulphuric acid for some hours (E.

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  • It crystallizes (from water) in glistening leaflets which melt at 130° C. and boil at 288° C. Its silver salt behaves as if it were the salt of an imido benzoic acid, since it yields benzimido ethyl ether C 6 H 5 C(:NH) OC 2 H 5 with ethyl iodide (J.

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  • Williamson (Ann., 18 5 1, 77, p. 38; 1852, 81, p. 77) prepared ether by the action of sodium ethylate on ethyl iodide, and showed that all ethers must possess the structural formula given above (see also Brit.

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  • C 2 H 5, is prepared from methyl iodide and sodium ethylate, or from ethyl iodide and sodium methylate (A.

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  • Duppa in 1865 examined the reaction and concluded that Geuther's sodium salt was a derivative of the ethyl ester of acetone carboxylic acid and possessed the constitution CH3CO�CHNa�OOOC2H5.

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  • Ethyl mercaptan, C 2 H 5 .SH, is a colourless liquid which boils at 36.2° C. It is used commercially in the preparation of sulphonal.

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  • NH 2 NH2 Diorthodiaminodiphenyl, -, isobtained bythe reduction of the corresponding nitro compound (obtained by the action of ethyl nitrite at o° C. on metadinitrobenzidine hydrochloride).

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  • The Ethyl alcohol added to most over-the-counter fragrances is caustic and may cause a multitude of fragrance allergies or discomfort.

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  • EVA is an acronym for Ethyl Vinyl Acetate.

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  • Some shops will use a cryogesic spray, such as ethyl chloride, to alleviate the discomfort.

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  • An Atmos clock consists of a hermetically sealed capsule that contains ethyl chloride, which is a combination of gas and liquid that expands and contracts according to the temperature, forcing air through the mechanisms inside.

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  • In 1935, JL took over the Atmos project and developed the first ethyl chloride model in 1936.

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  • Thimerosal contains 46.9 percent ethyl mercury.

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  • Alcohol free: Traditionally, this means no ethyl alcohol, but there are many other alcohols now used in cosmetics and skin care products.

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  • A quality product is alcohol free, meaning that it contains no ethyl alcohol to dry your skin.

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  • 184.8° Ethyl heptoate..

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  • Its ethyl ester reacts with hydrazine to form hippuryl hydrazine, C,H 5 CO NH CH 2 CO NH NH 2, which was used by Curtius for the preparation of azoimide.

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  • An impure oxalyl chloride, a liquid boiling at 70° C:, has been obtained by the action of phosphorus pentachloride on ethyl oxalate.

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