| Number | Product Name | CAS No. | Remarks | |
| 37 | TDS- Sodium Hydroxide Solution | |||
| 38 | Sodium Hydroxide | 1310-73-2 | ||
| 39 | Caustic Soda in Pearl | 1310-73-2 | ||
| 40 | Calcium Formate | 544-17-2 | ||
| 41 | Oxalic Acid | 144-62-7 | ||
| 42 | Sulfamic Acid | 5329-14-6 | ||
| 43 | Citric Acid Monohydrate | 5949-29-1 | ||
| 44 | Nitric Acid | 7697-37-2 | ||
| 45 | Citric Acid Anhydrous | 77-92-9 | ||
| 46 | Sodium Carbonate | 497-19-8;7542-12-3 | ||
| 47 | Maleic Anhydride | 108-31-6 | ||
| 48 | Formic Acid | 64-18-6 | ||