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单词 picramic acid
释义

Definition of picramic acid in English:

picramic acid

noun
Chemistry
  • A red crystalline acid obtained by reducing picric acid, used as an intermediate in the manufacture of azo dyes and occasionally as an acid–base indicator; 2-amino-4,6-dinitrophenol, C₆H₂(NH₂)(NO₂)₂OH.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist.

 
 

Definition of picramic acid in US English:

picramic acid

noun
Chemistry
  • A red crystalline acid obtained by reducing picric acid, used as an intermediate in the manufacture of azo dyes and occasionally as an acid–base indicator; 2-amino-4,6-dinitrophenol, C₆H₂(NH₂)(NO₂)₂OH.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist.

 
 
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更新时间:2024/9/20 19:30:30