Sodium salt of 2-Mercaptobenzothiazole (MBT•Na) CAS No. 2492-26-4
MBT•Na can be used as the copper corrosion inhibitor in circulating cool water system. The mechanism is due to the chemical absorption of MBT•Na on copper surface, or chelation reaction between them. The dosage of 4mg/L is preferred. This product can also be used as plasticizer and photometer for acid copper plating.