toluidine

toluidine

[tuh-loo-i-deen, -din]
noun Chemistry.
any of three isomeric amines having the formula C 7 H 9 N, derived from toluene: used in the dye and drug industries.


Origin:
1840–50; tolu(ene) + -id3 + -ine2

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World English Dictionary
toluidine (tɒˈljuːɪˌdiːn)
 
n
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: C6H4CH3NH2
 
[C19: from tolu(ene) + -ide + -ine²]

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American Heritage
Science Dictionary
toluidine   (tə-l'ĭ-dēn')  Pronunciation Key 
Any of three isomeric compounds containing a benzene ring with a methyl (CH3) and amino (NH2) group attached to it. Toluidine is used to make dyes. Chemical formula: C7H9N.
The American Heritage® Science Dictionary
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