Benzoic-acid sentence example
A similar change, in one direction only, characterizes benzoic acid and salicylic acid.
It is reduced by nascent hydrogen to the secondary alcohol C6H5.CH.OH.CH3 phenyl-methyl-carbinol, and on oxidation forms benzoic acid.
Japaconitine, obtained from the Japanese aconites, known locally as "kuza-uzu," hydrolyses to japbenzaconine, which further breaks down to benzoic acid and japaconine.
It is excreted when many aromatic compounds, such as benzoic acid and toluene, are taken internally.
Mitscherlich prepared it in 1834 by distilling benzoic acid with lime; and in 1845 Hofmann discovered it in coal-tar.Advertisement
The odour of Siam benzoin is partly due to the presence of vanillin, and the substance contains as much as 38% of benzoic acid but no cinnamic acid.
Its medicinal uses depend on the contained benzoic acid.
Dorp (Ber.,1874,7,P.578) obtained orthobenzoyl benzoic acid by heating phthalic anhydride with benzene in the presence of aluminium chloride.
When fused with caustic potash, it gives benzoic acid.
Nitric acid oxidizes it to benzoic acid and acetic acid.Advertisement
The oxidation of benzaldehyde to benzoic acid when exposed to air is not one of ordinary oxidation, for it has been observed in the case of many compounds that during such oxidation, as much oxygen is rendered " active " as is used up by the substance undergoing oxidation; thus if benzaldehyde is left for some time in contact with air, water and indigosulphonic acid, just as much oxygen is used up in oxidizing the indigo compound as in oxidizing the aldehyde.
He investigated the relation of benzene to benzoic acid and to other derivatives.
The salts of benzoic acid are known as the benzoates and are mostly soluble in water.
Nitration of benzoic acid gives chiefly meta-nitro-benzoic acid.
It owes its value to the benzoic acid which it contains.Advertisement
Potash fusion converts it into benzene and benzoic acid.
The 2 acid is formed on the reduction of benzoic acid with sodium amalgam.
Chromic acid oxidizes it to benzoic acid and benzaldehyde.
Aliphatic any non-aromatic organic compound Aromatic any organic compound containing de-localised electrons in a ring structure - e.g. benzene, benzoic acid.
Questions 1. Find out the percentage ionization and pH of a solution containing 0.02 mol dm -3 of benzoic acid in water.Advertisement
E217 Sodium propyl para-hydroxybenzoate The sodium salt of propyl para-hydroxybenzoate, E217 is produced from benzoic acid and is an antimicrobial preservative.
Para-amino benzoic acid (PABA) compounds, including PABA, padimate O (octyl dimethyl PABA), and glyceryl PABA, are effective only against UVB light.