Salicylic-acid sentence example

salicylic-acid
  • Chromium oxychloride reacts violently on phenol, producing hydroquinone ether, O(C 6 H 4 OH)2; chromic acid gives phenoquinone, and potassium permanganate gives paradiphenol, oxalic acid, and some salicylic acid (R.
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  • When fused with caustic potash it yields phenol and salicylic acid.
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  • All four mono-hydroxyxanthones are known, and are prepared by heating salicylic acid with either resorcin, pyrocatechin or hydroquinone; they are yellow crystalline solids, which act as dyestuffs.
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  • Potassium chlorate and hydrochloric acid oxidize phenol, salicylic acid (o-oxybenzoic acid), and gallic acid ([2.3.4] trioxybenzoic acid) to tri chlorpyroracemic acid (isotrichlorglyceric acid), CC13 C(OH)2 C02H, a substance also obtained from trichloracetonitrile, CC1 3 CO CN, by hydrolysis.
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  • Thus salicylic acid yields n-pimelic acid, [[Hooc (Ch 2) 5 Cooh]], while o-, m-, and p-cresotinic acids, C 6 H 3 (CH 3)(OH)(000H), yield isomeric methylpimelic acids.
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  • A similar change, in one direction only, characterizes benzoic acid and salicylic acid.
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  • Hofmann and Schotensack decompose a mixture of phenol (3 molecules) and sodium carbonate (4 mols.) with carbonyl chloride at 140-zoo° C. When 90% of the phenol has distilled over, the residue is dissolved and hydrochloric acid added, any phenol remaining is blown over in a current of steam, and the salicylic acid finally precipitated by hydrochloric acid.
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  • When boiled with calcium chloride and ammonia, salicylic acid gives a precipitate of insoluble basic calcium salicylate, C 6 H 4 ‹ 0 2 i Ca, a reaction which serves to distinguish it from the isomeric metaand para-hydroxybenzoic acids.
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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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  • Phenyl salicylate, C6H4(OH) C 02C6H5, or salol, is obtained by heating salicylic acid, phenol and phosphorus oxychloride to 120-125° C.; by heating salicylic acid to 2 =0° C.; or by heating salicyl metaphosphoric acid and phenol to 140-150° C. (German Patent 85,565).
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  • It is used in medicine under the names aspirin, acetysal, aletodin, saletin, xaxa, &c. It has the same action as salicylic acid and salicylates, but is said to be much freer from objectionable secondary effects.
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  • (C 6 H 4 CO 2 H) 2 is obtained by continued heating of salicylic acid and acetyl chloride to 130140° C. It is an amorphous yellow mass which is easily soluble in alcohol.
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  • The use of salicylic acid as a food preservative, was, however, condemned in the findings of the commission appointed by the government of the United States of America, in 1904.
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  • As an antiseptic salicylic acid is somewhat less powerful than carbolic acid, but its insolubility renders it unsuitable for general use.
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  • It is a crystalline solid, which melts at 30° C. and boils at 190 8° C. Fusion with alkalis converts it into salicylic acid.
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  • For sodii bromidum, iodidum and salicylatum see Bromine, Iodine and Salicylic Acid respectively.
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  • To remove these salicylic acid dissolved in flexible collodion is now generally employed.
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  • In the remedy just mentioned the salicylic acid forms the basis; but sometimes chloride of zinc or lactic acid is added to it to make it act more quickly, and these are the adjuvants.
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  • Most of these belong to the aromatic group of bodies, although one of them, antipyrin, belongs rather to the furfurol group. Carbolic acid has an antipyretic action, but on account of its poisonous properties it cannot be employed as an antipyretic. Salicylic acid has a strong antipyretic action, and is most commonly used in the form of its sodium salt, which is much more soluble than the acid itself.
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  • Among such dyestuffs are chrysamine or flavophenine, obtained from salicylic acid and diazotized benzidine, and congo red obtained from sodium naphthionate and diazotized benzidine.
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  • Of the insoluble salts we may notice the tannate, the propionic acid ester (euquinine) and carbonic acid ester (aristoquin), the salicylic acid ester.
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  • Hydrobromic acid is often used to relieve or prevent the headache and singing in the ears that may follow the administration of quinine and of salicylic acid or salicylates.
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  • cradle cap can be loosened with a mixture of salicylic acid in aqueous cream, which is then washed out with baby shampoo.
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  • The Salix alba (white willow, withe, withy) contains salicin, which is converted to salicylic acid in the body.
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  • If the scalp is very scaly then a shampoo containing coal tar or salicylic acid may help to remove it.
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  • Hofmann and Schotensack decompose a mixture of phenol (3 molecules) and sodium carbonate (4 mols.) with carbonyl chloride at 140-zoo° C. When 90% of the phenol has distilled over, the residue is dissolved and hydrochloric acid added, any phenol remaining is blown over in a current of steam, and the salicylic acid finally precipitated by hydrochloric acid.
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  • Sodium reduces salicylic acid in boiling amyl alcohol solution to n-pimelic acid (A.
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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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  • Phenyl salicylate, C6H4(OH) C 02C6H5, or salol, is obtained by heating salicylic acid, phenol and phosphorus oxychloride to 120-125° C.; by heating salicylic acid to 2 =0° C.; or by heating salicyl metaphosphoric acid and phenol to 140-150° C. (German Patent 85,565).
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  • (C 6 H 4 CO 2 H) 2 is obtained by continued heating of salicylic acid and acetyl chloride to 130140° C. It is an amorphous yellow mass which is easily soluble in alcohol.
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  • It is a crystalline solid, which melts at 30° C. and boils at 190 8° C. Fusion with alkalis converts it into salicylic acid.
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  • Pat skin dry with a clean, soft towel and follow up with a medicine that contains salicylic acid or benzoyl peroxide.
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  • People allergic to aspirin should not take black cohosh, as it contains salicylic acid.
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  • Flat warts are best treated with topical retinoides (retinoic acid) or a gel containing salicylic acid.
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  • The patch usually contains a higher concentration of salicylic acid and may irritate the surrounding skin.
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  • B., et al. "Plantar wart treatment with combination imiquimod and salicylic acid pads."
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  • In stubborn cases, a special shampoo containing sulfur and salicylic acid can be used.
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  • Treatment for mild noninflammatory acne consists of reducing the formation of new comedones with medications including topical tretinoin, benzoyl peroxide, adapalene, or salicylic acid.
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  • Over the next few days you may also want to treat your skin with a toning product or cleanser that contains salicylic acid in order to keep the follicles open.
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  • Taking birth control that helps acne is helpful because you can use this medication in combination with skin care products that contain salicylic acid or benzyl peroxide.
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  • Most contain either benzoyl peroxide or salicylic acid as their active ingredient.
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  • Benzoyl peroxide is safe to use during pregnancy, but the American Pregnancy Association suggests avoiding products that contain salicylic acid.
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  • High doses of salicylic acid in the oral form have been shown to cause birth defects and various pregnancy complications, but some doctors recommend that women avoid the topical form of this medication as an extra precaution.
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  • If you have mild acne, acne skin care products containing salicylic acid can unclog pores to treat current pimples and prevent future breakouts.
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  • However, products with salicylic acid do not have any effect on sebum production or acne-causing bacteria.
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  • For maximum effectiveness, products with salicylic acid must be used on a regular basis.
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  • Look for it on product labels as BHA or salicylic acid.
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  • Use acne products that contain benzoyl peroxide or salicylic acid for the best results.
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  • The secret to the product's effectiveness is salicylic acid in the cleanser and benzoyl peroxide in the toner; both decrease inflammation, reduce redness and minimize the occurrence of breakouts.
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  • Salicylic acid: Salicylic acid unclogs pores and breaks down the cycle of bacterial growth that causes pimples.
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  • The most common over-the-counter choices for acne problems are benzoyl peroxide and salicylic acid.
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  • Regular cleansing with products containing salicylic acid or benzoyl peroxide to kill acne causing bacteria is important for acne treatment.
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  • Daily Cleansing Pads: Gentle enough for daily use, these double-sided discs contain soft scrubbing beads and salicylic acid.
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  • It unclogs pores and fights breakouts with one percent salicylic acid.
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  • Black Opal also has a wash with salicylic acid called the Skin Perfecting Acne and Blemish Wash.
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  • Ambi has a facial blemish control product with salicylic acid called Even and Clear Foaming Cleanser.
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  • Some makeup manufacturers have included doctor recommended acne-fighting ingredients such as salicylic acid in facial moisturizers and foundations.
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  • These products often contain salicylic acid or benzoyl peroxide, which help treat pimples and prevent future outbreaks.
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  • St. Ives Apricot Scrub for Oily or Acne Prone Skin - This oil-free scrub contains salicylic acid to fight blemishes.
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  • This foaming, oil-free cleanser fights blemishes with salicylic acid and also sloughs off dead skin cells.
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  • Deep Exfoliating Scrub, a gentle but effective product that contains natural apricot seed powder and salicylic acid.
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  • Nubian Heritage Hand & Body Lotion Oats and Aloe blends salicylic acid with Dead Sea mineral salts and African Black Soap extract to help heal and prevent minor acne breakouts on the body.
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