 |
| Product name |
Silicon |
| CAS RN |
7440-21-3 |
| EINECS No. |
231-130-8 |
| Molecular formula |
Si |
| Molecular weight |
28.0855 |
| Dangerous mark |
 F:Flammable |
| Risk term |
R11; |
| Security term |
S16; S33; S7/9; |
| Physical and chemical properties |
Crystal with grey metallic luster. |
| Uses |
Mainly used to produce polycrystalline silicon, monocrystalline silicon, silicon aluminum alloy and silicon steel alloy compounds |
 |
| Upstream materials |
硅砂, 焦炭, 煤, 石灰石 |
| 下游产品 |
硅粉 |
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