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单词 benzoic acid
释义

WordReference Random House Unabridged Dictionary of American English © 2024
benzo′ic ac′id, [Chem., Pharm.]
  1. Chemistry, Drugsa white, crystalline, slightly water-soluble powder, C7H6O2, usually derived from benzoin or other balsams, or synthesized from phthalic acid or toluene: used chiefly as a preservative, in the synthesis of dyes, and in medicine as a germicide. Also called benzenecarboxylic acid, phenylformic acid. 
  • 1785–95

Collins Concise English Dictionary © HarperCollins Publishers::
benzoic acid n
  1. a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH
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更新时间：2024/11/11 9:47:11