| Number | Product Name | CAS No. | Remarks | |
| 289 | Sodium Sulfocyanate | 540-72-7 | ||
| 290 | Sodium Thiocyanate Solution | 540-72-7 | ||
| 291 | Sodium Thiosulfate | 7772-98-7 | ||
| 292 | Triisopropanolamine | 22-20-3 | ||
| 293 | 85% EDIPA (Diethanol monoisopropanolamine) | 6712-98-7 | ||
| 294 | Manganese (II) Sulfate Monohydrate | 10034-96-5 | ||
| 295 | Magnesium Sulfate Monohydrate | 14168-73-1 | ||
| 296 | Sodium Bisulfite | 7631-90-5 | ||
| 297 | Ammonium Bisulfite | 10192-30-0 | ||
| 298 | Sodium Sulphite | 7757-83-7 | ||
| 299 | Sodium Sulphate Anhydrous | 7757-82-6;15124-09-1 | ||
| 300 | Magnesium Sulfate Anhydrous | 7487-88-9;139939-75-6 | ||