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Script assisted update of identifiers from ChemSpider, CommonChemistry and FDA for the Chem/Drugbox validation project - Updated: StdInChI StdInChIKey.
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Updating {{chembox}} (no changed fields - added verified revid - updated 'UNII_Ref', 'ChemSpiderID_Ref', 'StdInChI_Ref', 'StdInChIKey_Ref') per Chem/Drugbox validation (report [[Wikipedia_talk:Wi
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| ImageFile = Aluminium-borohydride.png
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| Section1 = {{Chembox Identifiers
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| ChemSpiderID = 55734
| ChemSpiderID = 55734
| InChI = 1/Al.3BH4/h;3*1H4/q+3;3*-1
| InChI = 1/Al.3BH4/h;3*1H4/q+3;3*-1
| InChIKey = LNJYEMMRSAGORU-UHFFFAOYAC
| InChIKey = LNJYEMMRSAGORU-UHFFFAOYAC
| SMILES = [Al+3].[BH4-].[BH4-].[BH4-]
| SMILES = [Al+3].[BH4-].[BH4-].[BH4-]
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/Al.3BH4/h;3*1H4/q+3;3*-1
| StdInChI = 1S/Al.3BH4/h;3*1H4/q+3;3*-1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = LNJYEMMRSAGORU-UHFFFAOYSA-N
| StdInChIKey = LNJYEMMRSAGORU-UHFFFAOYSA-N
| CASNo = 16962-07-5
| CASNo = 16962-07-5

Revision as of 11:35, 29 November 2010

Aluminium borohydride[1]
File:Aluminium-borohydride.png
Names
IUPAC name
Aluminium borohydride
Other names
Aluminum borohydride, aluminium tetrahydroborate, aluminum tetrahydroborate
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/Al.3BH4/h;3*1H4/q+3;3*-1 checkY
    Key: LNJYEMMRSAGORU-UHFFFAOYSA-N checkY
  • InChI=1/Al.3BH4/h;3*1H4/q+3;3*-1
    Key: LNJYEMMRSAGORU-UHFFFAOYAC
  • [Al+3].[BH4-].[BH4-].[BH4-]
Properties
AlB3H12
Molar mass 71.51 g·mol−1
Appearance colorless liquid
Melting point -64.5°C
Boiling point 44.5°C
reacts
Hazards
Flash point Spontaneously ignites
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Aluminium borohydride, also known as aluminium tetrahydroborate, (in American English, aluminum borohydride and aluminum tetrahydroborate, respectively) is the chemical compound with the formula Al(BH4)3. It is a volatile pyrophoric liquid which is used as rocket fuel or jet fuel, or as a reducing agent in laboratories.

Preparation

Aluminium borohydride is formed by the reaction between sodium borohydride with aluminium chloride[2]:

3NaBH4 + AlCl3 → Al(BH4)3 + 3NaCl

or as the non-pyrophoric THF adduct, by the analogous reaction of calcium borohydride and aluminium chloride in tetrahydrofuran:[3]

3 Ca(BH4)2 + 2 AlCl3 → 3 CaCl2 + 2 Al(BH4)3

Reactions

Like all borohydrides, this compound is a reducing agent and hydride donor. It reacts with water to give elemental hydrogen gas[2], and reduces carboxylic esters, aldehydes, and ketones to alcohols.[3]

References

  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–39. ISBN 0849305942.
  2. ^ a b Perry, Dale L.; Phillips, Sidney L. (1995). Handbook of Inorganic Compounds. CRC Press. pp. 3–4. ISBN 0849386713. Retrieved 2007-12-09.
  3. ^ a b J. Kollonitsch & O. Fuchs (1955). "Preparation of Aluminium Borohydride and its Applications in Organic Reductions". Nature. 176: 1081. doi:10.1038/1761081a0.

Further reading

  • Fletcher, Edward; Foster, Hampton; Straight, David (1959). "Aluminum Borohydride and Mixtures with Hydrocarbons in Jet Engine Combustor Ignition". Industrial & Engineering Chemistry. 51: 1389. doi:10.1021/ie50599a044.
  • Hinkamp, James B.; Hnizda, Vincent (1955). "Aluminum Borohydride Preparation". Industrial & Engineering Chemistry. 47: 1560. doi:10.1021/ie50548a032.

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