Tolyltriazole Product Code: A1310 Brand Name: Petrocor® TTA CAS No.: 29385-43-1 Main Content: 99.5% min Application: Mainly used as antirust or corrosion inhibitors for Copper, Zinc, Lead, Nickel etc in lubricant oil/grease, circulating water treatment, engine coolant etc. also used with antiscale additives. Three main types are available: granules or columnar or powder.