Difference between revisions of "Sodium hydride"
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| Section3 = {{Chembox Structure | | Section3 = {{Chembox Structure | ||
| Reference = <ref>{{Wells4th}}.</ref> | | Reference = <ref>{{Wells4th}}.</ref> | ||
| − | | CrystalStruct = [[Halite structure|Halite (NaCl)]] | + | | CrystalStruct = [[Halite structure|Halite (NaCl)]], [[Pearson symbol|cF8]] |
| + | | SpaceGroup = Fm{{overline|3}}m, No. 225 | ||
| + | | Coordination = Octahedral (Na<sup>+</sup>)<br/>Octahedral (Cl<sup>–</sup>) | ||
| + | | LattConst_a = | ||
}} | }} | ||
| Section7 = {{Chembox Hazards | | Section7 = {{Chembox Hazards | ||
Revision as of 10:40, 20 June 2010
| Sodium hydride | |
|---|---|
| Identifiers | |
| CAS number | [] |
| EC number | |
| Properties[1] | |
| Chemical formula | NaH |
| Molar mass | 23.998 g mol–1 |
| Appearance | white to grey solid |
| Density | 0.92 g cm–1 |
| Melting point |
800 °C decomp. |
| Solubility in water | reacts |
| Refractive index (nD) | 1.470 |
| Structure[2] | |
| Crystal structure | Halite (NaCl), cF8 |
| Space group | Fm3m, No. 225 |
| Coordination geometry | Octahedral (Na+) Octahedral (Cl–) |
| Hazards[3] | |
| EU index number | 001-003-00-X |
| GHS pictograms | 
|
| GHS signal word | DANGER |
| GHS hazard statements | H260 |
| Related compounds | |
| Other cations | Lithium hydride Potassium hydride |
| Other compounds | Sodium borohydride |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Sodium hydride, NaH, is an ionic (or "saline") hydride. It is used as a strong reducing agent in organic synthesis.
References
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-148. ISBN 0-8493-0462-8.
- ↑ Template:Wells4th.
- ↑ 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
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See also the corresponding article on Wikipedia. |
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