Corrosion inhibitor Picture Product Specifications BTA•Na (Sodium Salt of 1,2,3-Benzotrialole) BTA•Na CAS No 15217-42-2 MBT•Na (Sodium Salt of 2-Mercaptobenzothiazole ) MBT•Na CAS No 2492-26-4 TTA•Na (Sodium Salt of Tolyltriazole) TTA•Na CAS No 64665-57-2