| Number | Product Name | CAS No. | Remarks | |
| 253 | Iron Sulfate | 10028-22-5 | ||
| 254 | Ammonium Sulphate | 7783-20-2 | ||
| 255 | Sulfuric Acid | 7664-93-9;8014-95-7;17107-61-8;12772-98-4 | ||
| 256 | Sodium Sulfide | 1313-82-2 | ||
| 257 | Sulfur Black | 1326-82-5;1326-83-6;1326-82-5 | ||
| 258 | Ammonium Dihydrogen Phosphate | 7722-76-1 | ||
| 259 | Chromium (III) Sulphate Basic | 39380-78-4 | ||
| 260 | Sodium Perchlorate Monohydrate | 7791-07-3 | ||
| 261 | Sodium Bisulfite | 7631-90-5 | ||
| 262 | Sodium Sulphite | 7757-83-7 | ||
| 263 | Sodium Sulphate Anhydrous | 7757-82-6;15124-09-1 | ||
| 264 | Sodium Perchlorate | 7601-89-0 | ||