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tolidine
[ tol-i-deen, -din ]
noun
, Chemistry.
- any of several isomeric derivatives of biphenyl containing two methyl and two amino groups, especially the ortho isomer that is used as a reagent and in the preparation of dyes.
tolidine
/ ˈtɒlɪˌdiːn /
noun
- any of several isomeric compounds, esp the ortho- isomer, which is a white or reddish crystalline substance used in the manufacture of dyes and resins. Formula: (C 6 H 3 NH 2 CH 3 ) 2
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Word History and Origins
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Word History and Origins
Origin of tolidine1
C19: from tol ( uene ) + -id ³ + -ine ²
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Example Sentences
Thus diazotised benzidine and tolidine combine with salicylic acid to form valuable yellow azo-dyes known as “chrysamines.”
From Project Gutenberg
Ellms and Hauser investigated benzidine in 1913 and found it to be inferior to o-tolidine as a test reagent for free chlorine.
From Project Gutenberg
It is impossible to attempt to specify by name any of these recent benzidine and tolidine dyes.
From Project Gutenberg
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