tolidinen.
/ˈtɒlɪdiːn/ Chemistry.
A benzidine derivative, (NH2(CH3)C6H3—)2, which is the parent compound of a group of azo dyes and is used (in the ortho form) as a reagent in chemical analysis.
ΚΠ
1879 Jrnl. Chem. Soc. 36 235 (heading) The three isomeric tolidines (diamido-ditolyls).
1935 Discovery July 208/1 A minute sample of the bath water is taken and ‘doped’ by the mixture of few drops of ‘O.T.’ (Ortho-Tolidine), a chemical which turns chlorinated water yellow.
1964 Kirk-Othmer Encycl. Chem. Technol. (ed. 2) III. 414 o- Tolidine is used to a rather large extent in qualitative and quantitative analysis. It is employed for the detection..of such substances as chlorine..gold..and tungsten.
1964 Kirk-Othmer Encycl. Chem. Technol. (ed. 2) III. 415 Azo dyes prepared from m- tolidine..have little affinity for cotton, but are interesting dyes for wool.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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