F537022
Calcium silicide , Null , 12013-56-8
CAS NO.：12013-56-8
Empirical Formula: CaSi2
Molecular Weight: 96.25
MDL number: MFCD00015977
EINECS: 234-588-7
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 1020 °C |
| Density | 2,5 g/cm3 |
| solubility | insoluble in cold H2O; reacts with hotH2O; soluble in acid solutions |
| form | pieces |
| Specific Gravity | 2.5 |
| color | Gray |
| Water Solubility | Insoluble in cold water, decomposes in hot water |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 2: reacts with aqueous acid |
| InChI | 1S/Ca.Si2/c;1-2/q+2;-2 |
| InChIKey | ATJCUTDHOFKCKB-UHFFFAOYSA-N |
| SMILES | [Ca++].[Si-]#[Si-] |
| CAS DataBase Reference | 12013-56-8 |
| EPA Substance Registry System | Calcium silicide (CaSi2) (12013-56-8) |
Description and Uses
Calcium silicide has the molecular formula of Ca2Si and the molecular weight of 96.2514 g/mol. This salt can be formed by the reaction of Ca metal, mixed with Si, at 850°C in an inert atmosphere.
It is an important raw material used in Pharmaceutical intermediates. It is an ideal compound of deoxidizer and desulfurizer which can be used in production of many types of stainless steel. It is also used as inoculants and additive in cast iron.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H261 |
| Precautionary statements | P223-P231+P232-P280-P302+P335+P334-P370+P378-P501 |
| PPE | Eyeshields, Gloves, type P3 (EN 143) respirator cartridges |
| Hazard Codes | F |
| Risk Statements | 15 |
| Safety Statements | 8-43 |
| RIDADR | UN 1405 4.3/PG 2 |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| HazardClass | 4.3 |
| PackingGroup | II |
| Storage Class | 4.3 - Hazardous materials which set free flammable gases upon contact with water |
| Hazard Classifications | Water-react 2 |
