| Number | Product Name | CAS No. | Remarks | |
| 313 | Sodium Hydrosulfide | 16721-80-5 | ||
| 314 | Thiourea | 62-56-6 | ||
| 315 | Sodium Sulfide | 1313-82-2 | ||
| 316 | Sulfur Black | 1326-82-5;1326-83-6;1326-82-5 | ||
| 317 | Sodium Hydrosulfite | 7775-14-6 | ||
| 318 | Sodium Metabisulfite | 7681-57-4 | ||
| 319 | Chromium (III) Sulphate Basic | 39380-78-4 | ||
| 320 | Sodium Persulfate | 7775-27-1;15593-29-0 | ||
| 321 | Potassium Persulfate | 7721-21-1 | ||
| 322 | Ammonium Persulfate | 7727-54-0 | ||
| 323 | Magnesium Hydrogen Phosphate | 7782-75-4 | ||
| 324 | Monopotassium Phosphate | 7778-77-0 | ||