Benzotriazole can offer in Needle form is a heterocyclic compound, 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.

Benzotriazole can be used in different applications in major industries. It is used in cooling water or boiler system by the industrial water treatment industry. it can be also used in coolants and antifreeze products. it is also used as an additive in industrial lubricants like drilling and cutting fluids. Benzotriazole and its related Na Salts do belong to the most effective corrosion inhibitor for copper and copper alloys .