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单词 dinitrophenol
释义 di·ni·tro·phenol
\(ˌ)dī|nī.trō+\ noun
Etymology: International Scientific Vocabulary dinitro- + phenol
: any of six isomeric crystalline compounds (NO2)2C6H3OH formed by nitration of phenol or nitrophenols: as
 a. : the yellowish isomer formed as an intermediate step in making picric acid and used chiefly as an intermediate (as for sulfur dyes and photographic developers) — called also 2,4-dinitrophenol
 b. : a yellow commercial mixture usually of three of the isomers
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