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Sodium aluminium hydride information


Sodium aluminium hydride
Names
IUPAC name
Sodium aluminium hydride
Systematic IUPAC name
Sodium alumanuide
Other names
Sodium tetrahydroaluminate
Identifiers
CAS Number
  • 13770-96-2 checkY
3D model (JSmol)
  • Interactive image
ECHA InfoCard 100.033.986 Edit this at Wikidata
EC Number
  • 237-400-1
PubChem CID
  • 26266
UN number 2835
CompTox Dashboard (EPA)
  • DTXSID1051696 Edit this at Wikidata
InChI
  • InChI=1S/Al.Na.4H/q-1;+1;;;;
SMILES
  • [Na+].[AlH4-]
Properties
Chemical formula
AlH4Na
Molar mass 54.003 g·mol−1
Appearance White or gray crystalline solid
Density 1.24 g/cm3
Melting point 178 °C (352 °F; 451 K)
Solubility soluble in THF (16 g/100 mL at room temperature)
Hazards
GHS labelling:
Pictograms
GHS02: FlammableGHS05: CorrosiveGHS07: Exclamation mark
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
3
2
0
W
Flash point −22 °C; −7 °F; 251 K
Autoignition
temperature
185 °C (365 °F; 458 K)
Lethal dose or concentration (LD, LC):
LD50 (median dose)
740 mg/kg (oral, mouse)
Safety data sheet (SDS) Fisher Scientific
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Sodium aluminium hydride or sodium alumanuide is an inorganic compound with the chemical formula NaAlH4. It is a white pyrophoric solid that dissolves in tetrahydrofuran (THF), but not in diethyl ether or hydrocarbons. It has been evaluated as an agent for the reversible storage of hydrogen and it is used as a reagent for the chemical synthesis of organic compounds. Similar to lithium aluminium hydride, it is a salt consisting of separated sodium cations and tetrahedral AlH
4
anions.[1]

  1. ^ J. W. Lauher, D. Dougherty P. J. Herley "Sodium tetrahydroaluminate" Acta Crystallogr. 1979, volume B35, pp.1454-1456. doi:10.1107/S0567740879006701

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