Definition of Toluidine

1. n. Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively orthtoluidine, metatoluidine, and paratoluidine; especially, the commonest one, or paratoluidine, which is obtained as a white crystalline substance.



Definition of Toluidine

1. Noun. (organic compound) Any of the three isomeric aromatic amines derived from toluene; they are used in the synthesis of certain dyes ¹

¹ Source: wiktionary.com

Definition of Toluidine

1. [n -S]

Medical Definition of Toluidine

1. Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively orthtoluidine, metatoluidine, and paratoluidine; especially, the commonest one, or paratoluidine, which is obtained as a white crystalline substance. It is used in the aniline dye industry, and constitutes the essential nucleus or radical of those dyes. Source: Websters Dictionary (01 Mar 1998)

Toluidine Pictures

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Lexicographical Neighbors of Toluidine

toluene ortho-monooxygenase
toluenes
toluenesulfonate
toluenesulfonic acid
toluenesulfonyl
toluenyl
tolug
toluic
toluic acid
toluid
toluide
toluides
toluidide
toluidides
toluidin
toluidine (current term)
toluidine blue
toluidine blue O
toluidines
toluidins
toluids
toluol
toluole
toluoles
toluols
toluoyl
toluric
toluric acid
toluric acids
tolus

Literary usage of Toluidine

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"It has also been noted that the oxalate of para-toluidine and its phosphate are ... On account of the high cost of manufacture, meta- toluidine is used to a ..."

2. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1869)
"An alcoholic solution of toluidine, heated (not above 80°) with An equal volume of toluidine, fused with an equal weight of succinic acid, ..."

3. On Aniline and Its Derivatives: A Treatise Upon the Manufacture of Aniline by M. Reimann, August Wilhelm von Hofmann, Georges de Laire (1868)
"This dissolves all other oxalates except oxalate of toluidine. By crystallising this salt it may be purified, and when distilled with potash it yields pure ..."

4. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1912)
"Hence pure o-toluidine can be obtained from commercial ... On warming the liquid, the free o-toluidine forms a layer at the surface, which may be separated ..."

5. Cooley's Cyclopædia of Practical Receipts and Collateral Information in the by Arnold James Cooley (1892)
"Mixtures of aniline with o- or /»-toluidine may be analysed by determining the ... Thus, in an analysis of a mixture of aniline and o-toluidine (the ..."

6. The Fundamental Processes of Dye Chemistry by Hans Eduard Fierz-David (1921)
"If diethylaniline or dimethyl-o-toluidine are used in place of dimethylaniline, ... Safranine from o-toluidine and Aniline.1 CH3 CH3 CH3 2 /Nun, ..."

7. Proceedings of the California Academy of Sciences by California Academy of Sciences (1897)
"toluidine. — Watery solution, not quite concentrated. I found this the most useful stain, since it differentiated the various spheres and zones of the ..."

8. Chemical News and Journal of Physical Science (1868)
"In the presence of homologous alkaloids, the blue colour becomes gradually less apparent, disappearing before the brown products yielded by the toluidine ..."

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