| Number | Product Name | CAS No. | Remarks | |
| 289 | Barium Chloride Dihydrate | 10326-27-9 | ||
| 290 | Sodium Nitrate | 7631-99-4 | ||
| 291 | Silica fume | 69012-64-2 | ||
| 292 | Calcium Formate | 544-17-2 | ||
| 293 | Calcium Nitrite | 13780-06-8 | ||
| 294 | Calcium Nitrite Solution | 13780-06-8 | ||
| 295 | Sodium Sulfocyanate | 540-72-7 | ||
| 296 | Sodium Thiocyanate Solution | 540-72-7 | ||
| 297 | Sodium Thiosulfate | 7772-98-7 | ||
| 298 | Triisopropanolamine | 22-20-3 | ||
| 299 | 85% EDIPA (Diethanol monoisopropanolamine) | 6712-98-7 | ||
| 300 | Manganese (II) Sulfate Monohydrate | 10034-96-5 | ||