Benzotriazole

Synonym(s)

: 1H-Benzotriazole, 1,2,3-benzotriazole, aziminobenzene, benztriazole, benzisotriazole, benzene azimid

Mol. Formula

: C6H5N3

EC / List no.

: 202-394-1

CAS no.

: 95-14-7

Molecular weight

: 119,12

Benzotriazole is the simplest member of the benzotriazole class, consisting of a benzene core fused to a 1H-1,2,3-triazole ring. It has an environmental pollutant and xenobiotic role.

Application

»This substance is widely used in lubricants, greases, washing and cleaning products, heat transfer fluids, antifreeze products and coating products.
»It is used in coolants in refrigerators, oil-based electric heaters, hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.
»It is used in industry as a processing aid.

Product Specifications

Physical and Chemical Properties
» 1,2,3-benzotriazole appears as white to light tan crystals or white powder.
» It is odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	100
Boiling point	°C	204
Solubility	g/L	19.8	25°C, soluble with water
Density	g/cm³	1.36	20°C
Flash point	°C	170	Closed cup
logP		1.34	22.7 °C
Vapor pressure	Pa	10	25 °C
pKa		8.37	20 °C
Vapor density		4.1	Air=1
Autoignition temperature	°C	210