| Copper Corrosion Inhibitor | |
| Sodium salt of Methylbenzotriazole (TTA•Na) | CAS No. 64665-57-2 |
| Methybenzotriazole (TTA) | CAS No. 29385-43-1 |
| Sodium salt of 1,2,3-Benzotriazole (BTA•Na) | CAS No. 15217-42-2 |
| 1,2,3-Benzotriazole (BTA) | CAS No. 95-14-7 |
| Sodium salt of 2-Mercaptobenzothiazole (MBT•Na) | CAS No. 2492-26-4 |
| 2-Mercaptobenzothiazole (MBT) | CAS No. 149-30-30 |
| Corrosion Inhibitor for Hydrochloric Acid Cleaning | |