toluidine

American  

[tuh-loo-i-deen, -din] / təˈlu ɪˌdin, -dɪn /

noun

Chemistry.

1. any of three isomeric amines having the formula C 7 H 9 N, derived from toluene: used in the dye and drug industries.

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toluidine British  

/ tɒˈljuːɪˌdiːn /

noun

1. an amine derived from toluene existing in three isomeric forms; aminotoluene. The ortho- and meta- isomers are liquids and the para- isomer is a crystalline solid. All three are used in making dyes. Formula: C 6 H 4 CH 3 NH 2

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toluidine Scientific  

/ tə-lo̅o̅′ĭ-dēn′ /

1. Any of three isomeric compounds containing a benzene ring with a methyl (CH ₃) and amino (NH ₂) group attached to it. Toluidine is used to make dyes. Chemical formula: C ₇ H ₉ N.

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Etymology

Origin of toluidine

First recorded in 1840–50; tolu(ene) + -id ³ + -ine ²

Example Sentences

See Examples For:

toluidine

Plates were incubated for 4days, then fixed with 4% formal saline and counterstained with toluidine blue for plaque counting.

From Nature ● Apr. 4, 2014

They used two drugs which worked equally well: toluidine blue, a tissue stain, and protamine sulfate, a protein compound.

From Time Magazine Archive

By a similar process toluene is converted into nitrotoluene, and the latter into toluidine.

From Coal and What We Get from It by Meldola, Raphael

For example, by heating aniline salt and pure wood-spirit to a temperature considerably above that necessary for producing dimethylaniline, toluidine is formed.

From Coal and What We Get from It by Meldola, Raphael

It has long been known that aniline and toluidine when heated with sulphur evolve sulphuretted hydrogen and give rise to thio-bases, that is, aniline or toluidine in which the hydrogen is partly replaced by sulphur.

From Coal and What We Get from It by Meldola, Raphael