Calcium hydride
ALDRICH/497355 - powder, 99.99% trace metals basis
Synonym: Calcium dihydride
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
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| assay | 99.99% trace metals basis |
| form | powder |
| 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.) |
| reaction suitability | reagent type: reductant |
| SMILES string | [Ca] |
| sustainability | Greener Alternative Product |
| Application: | Calcium hydride (CaH2) is a metal hydride that can be used for a variety of greener applications such as: • fabrication of hydrogen storage systems for fuel cell applications • synthesis of porous aromatic frameworks (PAFs) for adsorption of organic pollutants • formation of high temperature superconductors |
| Application: | Calcium hydride is widely used as a drying agent for organic solvents.1 It has been used to dry ε-caprolactone,benzene and toluene. |
| General description: | Atomic number of base material: 20 |
| General description: | The crystal structure of calcium hydride is a slightly distorted hexagonal close packing. At elevated temperatures, calcium hydride acts as a strong reducing agent.1 Solid state reaction between hexachlorobenzene and calcium hydride has been studied in detail. |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here . |
| Packaging: | 2, 10 g in glass bottle |
| 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 | 99.99% trace metals basis |
| mp | 816 °C (lit.) |
| UNSPSC | 26111700 |