Lithium aluminium hydride

Lithium aluminium hydride
Wireframe model of lithium aluminium hydride	Unit cell ball and stick model of lithium aluminium hydride
Names
	Preferred IUPAC name Lithium tetrahydridoaluminate(III)
	Systematic IUPAC name Lithium alumanuide
	Other names Lithium aluminium hydride; Lithal; Lithium alanate; Lithium aluminohydride; Lithium tetrahydridoaluminate;
Identifiers
CAS Number	16853-85-3 ; 14128-54-2 (2H4) ;
3D model (JSmol)	Interactive image;
Abbreviations	LAH
ChEBI	CHEBI:30142 ;
ChemSpider	26150 ;
ECHA InfoCard	100.037.146
EC Number	240-877-9;
Gmelin Reference	13167
PubChem CID	28112; 11062293 (2H4); 11094533 (3H4);
RTECS number	BD0100000;
UNII	77UJC875H4 ;
UN number	1410
CompTox Dashboard (EPA)	DTXSID70893441 ;
	InChI InChI=1S/Al.Li.4H/q-1;+1;;;; Key: OCZDCIYGECBNKL-UHFFFAOYSA-N ; InChI=1S/Al.Li.4H/q-1;+1;;;;; Key: OCZDCIYGECBNKL-UHFFFAOYSA-N;
	SMILES [Li+].[AlH4-];
Properties
Chemical formula	Li[AlH4]
Molar mass	37.95 g·mol−1
Appearance	white crystals (pure samples); grey powder (commercial material) ; hygroscopic
Odor	odorless
Density	0.917 g/cm3, solid
Melting point	150 °C (302 °F; 423 K) (decomposes)
Solubility in water	Reacts
Solubility in tetrahydrofuran	112.332 g/L
Solubility in diethyl ether	39.5 g/(100 mL)
Structure
Crystal structure	monoclinic
Space group	P21/c
Thermochemistry
Heat capacity (C)	86.4 J/(mol·K)
Std molar; entropy (S⦵298)	87.9 J/(mol·K)
Std enthalpy of; formation (ΔfH⦵298)	−117 kJ/mol
Gibbs free energy (ΔfG⦵)	−48.4 kJ/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H260, H314
Precautionary statements	P223, P231+P232, P280, P305+P351+P338, P370+P378, P422
NFPA 704 (fire diamond)	3 2 2 W
Flash point	125 °C (257 °F; 398 K)
Safety data sheet (SDS)	Lithium aluminium hydride
Related compounds
Related hydride	aluminium hydride; sodium borohydride; sodium hydride; Sodium aluminium hydride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Lithium aluminium hydride, commonly abbreviated to LAH, is an inorganic compound with the chemical formula Li[Al H₄] or LiAlH₄. It is a white solid, discovered by Finholt, Bond and Schlesinger in 1947.^[4] This compound is used as a reducing agent in organic synthesis, especially for the reduction of esters, carboxylic acids, and amides. The solid is dangerously reactive toward water, releasing gaseous hydrogen (H₂). Some related derivatives have been discussed for hydrogen storage.

^ Sigma-Aldrich Co., Lithium aluminium hydride. Retrieved on 2018-06-1.
^ 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 472.
^ Lithium aluminium hydride
^ Finholt, A. E.; Bond, A. C.; Schlesinger, H. I. (1947). "Lithium Aluminum Hydride, Aluminum Hydride and Lithium Gallium Hydride, and Some of their Applications in Organic and Inorganic Chemistry". Journal of the American Chemical Society. 69 (5): 1199–1203. doi:10.1021/ja01197a061.

[sigma-1] Sigma-Aldrich Co., Lithium aluminium hydride. Retrieved on 2018-06-1.

[2] 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 472.

[3] Lithium aluminium hydride

[Schlessinger-4] Finholt, A. E.; Bond, A. C.; Schlesinger, H. I. (1947). "Lithium Aluminum Hydride, Aluminum Hydride and Lithium Gallium Hydride, and Some of their Applications in Organic and Inorganic Chemistry". Journal of the American Chemical Society. 69 (5): 1199–1203. doi:10.1021/ja01197a061.

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