1,2,3-Benzotriazole

1,2,3-Benzotriazole White needle-shape crystalloids, it can be processed to be big or small flake, column, fine granular, powder. It is bitter, odorless, boiling point is 204 (15mmHg),soluble in alcohol, benzene,toluene,chloroform and dimethylformamide, and slightly soluble in water. It's 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 anti- static electricity, photographic antifogging agent, copper mine flotation, metal's slow corrosion etc. It's not inflammable or explosive or corrosive, low poison and the LD50 for small mouse is 965mg/kg. purity--------------99.8%min Chroma-----------40 max Moisture----------0.04% max Melting point-----97 min Ash content------0.03% max PH value----------5-6