Benzotriazole is a heterocyclic compound with the chemical formula C₆H₅N₃. Its five-membered ring contains three consecutive nitrogen atoms. This bicyclic compound may be viewed as fused rings of the aromatic compounds benzene and triazole.
Characteristic:
White needle, flake, granular, powder. Soluble in alcohol,benzene,toluene,chloroform and DMF, slightly soluble in water,turn red in air with oxidation,explosive in vacuum distillation.
Application:
Mainly used as antirust agent and corrosion inhibitor for metals.Widely used in the antirust oil products such as gas phase corrosion inhibitor , in treating agent for recycling water ,in antifreeze for cars antifogging for photograph ,also used as stabilizer for macromolecular compound, growth regulator for plant, lubricant additive , ultraviolet absorbent etc. It can be used together with many kinds of scale inhibitors and bactericide and algaecide,and it shows excellent anticorrosion effect in close recycling cooling water system.