| Name | CAS No. |
|---|---|
| Hot-rolled Plain Round Steel Wire Rod | - |
| Hydrogen peroxide | 7722-84-1 |
| hydrazine hydrate | 7803-57-8 |
| Hexamethylene Diisocyanate | 822-06-0 |
| Hydrochloric acid | 7647-01-0 |
| Helium | 7440-59-7 |
| Hydroquinone | 123-31-9 |
| Hydroxylamine sulfate | 10039-54-0 |
| Hydrofluoric Acid | 7664-39-3 |
