salicylic acid
Also known as 2-lydroxybenzoic acid, C6H4(OH)COOH,
a colorless, crystalline solid, derivatives of which are used as analgesics
(including aspirin, acetylsalicylic acid),
antiseptics, dyes,
and liniments. Salicylic acid causes the skin to peel and destroys bacteria
and fungi. It is applied to the skin, alone or in combination with other
agents, to treat warts, corns, calluses, acne, dandruff, psoriasis, and
fungal infections. Skin sensitivity reactions may occur after continued
use. Salicylic acid occurs naturally in plants, including willow bark. Molecular
weight 138.1, melting point 159°. Methyl salicylate,
an ester, occurs in oil of wintergreen, and
is used as a liniment and as a flavoring.
Related category
• BIOCHEMISTRY
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