1,2,3-Benzotriazole(BTA)
Molecular weight: 119
Chemical formulation:C6H5N3
CASNO.:95-14-7
Properties:
Benzotriazole has form of white needle-shape crystalloids, it can be processed to be big flake, column, fine granular, powder. It's bitter, odorless, boiling point is 204℃(15mmHG),soluble in alcohol, benzene, toluene,
chloroform and dimethylformamide, and slightly soluble in water.
Application:
Benzotriazole is mainly used as rust-preventer,antifreezing liquid,antioxidant additive(including
lubricating oil,hydraulic oil,brake oil,transformer's oil),emugent,water stabilizer,the additive for high
molecular materials'(polyester and polyesteramide)capacity of ultraviolet resistance and anstatic
electricity,photographic antifogging agent,copper mine flotation,metal's slow corrosion etc.
Form:Powder, Granular, Needle
Colour:White
Purity : 99.8% min.
Chroma: 40 max.
Moisture: 0.04%min.
Melting point: 97 ° C min.
Ash content: 0.03%max.
Boiling point/Boiling range:204/20mbar ° C
Flash point: 195 ° C
Flammability (solid, gaseous):Product is not flammable.
Ignition temperature: 400 ° C
Danger of explosion:Product is not explosive. However, formation of explosive air/dust mixtures is possible.
Density: at 20 ° C.1.36 g/cm³
Solubility in / Miscibility with Water: at 20 ° C.20 g/l
PH-value :5-6