Sodium tolyltriazole [cas] 64665-57-2 Usage: It is mainly used as antirust and corrosion inhibitor for metals (such as silver, copper, zinc, lead, nickel, etc..), and for antirust oil (tallow) products, the gas phase corrosion inhibitor of copper and copper alloy, lubricant additive, cycle water treating compound and auto antifreeze. It also can be used with manifold sterilization algaecide and has a very fine corrosion mitigation effect on close cycle cooling water system. Packing: Net weight 25kg in white plastic drum, Net weight 250kg in all-plastic drum