| salicylal | <chemistry> A thin, fragrant, colourless oil, HO.C6H4.CHO, found in the flowers of meadow sweet (Spiraea), and also obtained by oxidation of saligenin, etc. It reddens on exposure. Synonym: salycylol, salicylic aldehyde, and formerly salicylous, or spiroylous, acid. Origin: Salicylic + aldehide. Source: Websters Dictionary (01 Mar 1998) |
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