Tolyltriazole

Structural formula
General
Surname	Tolyltriazole
other names	Methyl-1 H -benzotriazole TTA
Molecular formula	C 7 H 7 N 3
Brief description	light brown granules
External identifiers / databases
CAS number 29385-43-1 EC number 249-596-6 ECHA InfoCard 100.045.073 PubChem 8705 Wikidata Q62062010
properties
Molar mass	133.15 g mol −1
Physical state	firmly
density	1.24 g cm −3
Melting point	76-87 ° C
boiling point	> 300 ° C
Vapor pressure	0.03 hPa (20 ° C)
solubility	sparingly soluble in water (5 g l −1 )
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 302-411 P: 273-270-264-312-301 + 330 + 331-391-501
Toxicological data	675 mg kg −1 ( LD 50 ,  rat ,  oral )
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Tolyltriazole or methyl-1 H -benzotriazole is a chemical compound from the group of benzotriazoles .

use

Tolyltriazole is used as a corrosion inhibitor for copper. Antifreeze, coolants, hydraulic fluids and cooling lubricants are therefore added.

Individual evidence

1. ↑ chemicalland21.com: Tolyltriazole
2. ↑ ^{a b c d e} syskem.de: Safety data sheet
3. ↑ ^{a b c} Entry on methyl-1H-benzotriazole in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .
4. ^ Helm AG: Tolyltriazole