Calcium hydride
SIAL/21170 - purum p.a., ≥97.0% (gas-volumetric), powder
CAS Number: 7789-78-8
Empirical Formula (Hill Notation): H2Ca
Molecular Weight: 42.09
EC Number: 232-189-2
MDL Number: MFCD00010897
Linear Formula: H2Ca
Product Type: Chemical
| anion traces | chloride (Cl-): ≤2000 mg/kg |
| sulfate (SO42-): ≤100 mg/kg | |
| assay | ≥97.0% (gas-volumetric) |
| cation traces | Cd: ≤0.005% |
| Co: ≤0.005% | |
| Cu: ≤0.02% | |
| Fe: ≤0.005% | |
| K: ≤0.01% | |
| Na: ≤0.05% | |
| Ni: ≤0.005% | |
| Pb: ≤0.005% | |
| Zn: ≤0.005% | |
| form | powder |
| grade | purum p.a. |
| greener alternative category | Enabling  |
| greener alternative product characteristics | Design for Energy Efficiency Learn more about the Principles of Green Chemistry . |
| InChI | 1S/Ca.2H |
| InChI key | FAQLAUHZSGTTLN-UHFFFAOYSA |
| mp | 816 °C (lit.) |
| Quality Level | 200 |
| reaction suitability | reagent type: reductant |
| SMILES string | [Ca] |
| sustainability | Greener Alternative Product |
| Application: | Calcium hydride can be used as a reducing agent for the dechlorination of chlorinated organic compounds. It can also be used as a drying agent to dry pyridine. |
| General description: | We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Calcium hydride enables sustainable energy through high-density hydrogen storage and efficient release, supporting cleaner technologies with improved cycling stability and reduced energy demand. Click here  for more information. |
| Other Notes: | Desiccant for aprotic solvents, e.g. benzene, dioxane, DMF and HMPT |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H260 - H315 - H319 |
| Precautionary statements | P223 - P231 + P232 - P264 - P280 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | F |
| Risk Statements | 15 |
| Safety Statements | 7/8-24/25-43 |
| RIDADR | UN 1404 4.3 / PGI |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥97.0% (gas-volumetric) |
| mp | 816 °C (lit.) |
| UNSPSC | 12352300 |