名称: gallic acid; 3,4,5-trihydroxybenzoic acid
摩尔质量: 170.11954 g
质量百分比: C 49.421 %; H 3.5549 %; O 47.023 %
• "A colorless crystalline acid. It occurs naturally as an excrescence on the twigs of trees, esp. oaks, as a reaction to the deposition of gall wasp eggs. It is used as a skin astringent and in the manufacture of writing inks and dyes." 1
(1) - Taber's Cyclopedic Medical Dictionary, 18th ed.; F. A. David Company: Philadelphia, PA, 1997; p 21.