Tolyltriazole
From Wikipedia the free encyclopedia
 5-Methyl-1H-benzotriazole, one of the isomers in tolyltriazole | |
| Names | |
|---|---|
| Other names _-Methyl-1H-benzotriazole (4, 5, 6, 7, mixture) | |
| Identifiers | |
| ECHA InfoCard | 100.045.073 |
CompTox Dashboard (EPA) | |
| Properties | |
| C7H7N3 | |
| Molar mass | 133.154 g·mol−1 |
| Hazards | |
| GHS labelling: | |
  | |
| Warning | |
| Related compounds | |
Related compounds | Benzotriazole |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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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