1. White granule or powder, 2. Purity: 99.5%min. 3. very fine corrosion mitigation effect TOLYLTRIAZOLEChemical Name:tolytriazole ... powder, it's a mixeure of 4-methyl-benzotriazole and 5 -methyl-benz-otriazole, the melting point is from 80°C ... antitrust and corrosion inhibitor for metals (such as silver, copper, zinc, lead, nickel, etc..), and for antitrust oil (tallow) products, the ...