Tolyltriazole
 5-Methyl-1H-benzotriazole, one of the isomers in tolyltriazole
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| Names | |
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| Other names
_-Methyl-1H-benzotriazole (4, 5, 6, 7, mixture)
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| Identifiers | |
| ECHA InfoCard | 100.045.073 |
CompTox Dashboard (EPA)
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| Properties | |
| C7H7N3 | |
| Molar mass | 133.154 g·mol−1 |
| Hazards | |
| GHS labelling: | |
 
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| Warning | |
| Related compounds | |
Related compounds
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Benzotriazole |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tolyltriazole is a mixture of isomers or congeners that differ from benzotriazole by the addition of one methyl group attached somewhere on the benzene ring. "The term tolyltriazole (CAS 29385-43-1) generally [refers to] the commercial mixture composed of approximately equal amounts of 4- and 5-methylbenzotriazole, with small quantities of [their respective 7- and 6-methyl tautomers]".[1]
Structure[edit]
Synthesis and reactions[edit]
Synthesis is much like that of benzotriazole, but starting with methyl-o-phenylenediamine instead of o-phenylenediamine. Isomers of methyl-o-phenylenediamine include 3-methyl-o-phenylenediamine, 4-methyl-o-phenylenediamine, and N-methyl-o-phenylenediamine (not involved here).
Applications[edit]
Tolyltriazole has uses similar to benzotriazole, but has better solubility in some organic solvents.[citation needed]
Corrosion inhibitor[edit]
Environmental relevance[edit]
Related compounds[edit]
References[edit]
- ^ Benzotriazole and Tolyltriazole: Evaluation of health hazards and proposal of health-based quality criteria for soil and drinking water, Environmental Project No. 1526, 2006, 2013, The Danish Environmental Protection Agency, ISBN 9 7 8-87-93026-81-0
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