Calcium hydride
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Calcium hydride | |
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Identifiers | |
InChI | InChI=1/Ca.2H/q+2;2*-1 |
InChIKey | UUGAXJGDKREHIO-UHFFFAOYAG |
CAS number | [ ] |
EC number | |
ChemSpider | |
Properties | |
Chemical formula | CaH2 |
Molar mass | 42.094 g mol–1 |
Appearance | grey powder (white when pure) |
Density | 1.70 g cm–3 |
Melting point |
816 °C |
Solubility in water | reacts |
Structure | |
Crystal structure | Orthorhombic, oP12 |
Space group | Pnma (No. 62) |
Hazards[1] | |
EU index number | 001-004-00-5 |
GHS pictograms | |
GHS signal word | DANGER |
GHS hazard statements | H260 |
Related compounds | |
Other cations | Beryllium hydride Magnesium hydride Strontium hydride Barium hydride |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
Calcium hydride, CaH2, is an ionic (or "saline") hydride. It is used as a drying agent, particularly for organic solvents
References
- ↑ Index no. 001-002-00-4 of Annex VI, Part 3, to Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006. OJEU L353, 31.12.2008, pp 1–1355 at p 340.
External links
See also the corresponding article on Wikipedia. |
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