Chemicals
| CAS No. | Name | Year Added | Restrictions | |
|---|---|---|---|---|
| 7440-21-3 | Silicon | - | - | |
| 7440-21-3 | SILICON POWDER | - | - | |
| 7440-22-4 | Silver | - | - | |
| 7440-22-4 | SILVER FLAKES | - | - | |
| 7440-23-5 | SODIUM | - | - | |
| 7440-23-5 | SODIUM METAL | - | - | |
| 7440-24-6 | Strontium | - | - | |
| 7440-25-7 | TANTALUM | - | - | |
| 7440-28-0 | THALLIUM | - | - | |
| 7440-29-1 | THORIUM | - | - |