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62420

Sigma-Aldrich

Lithium aluminum hydride

≥97.0% (gas-volumetric)

Synonym(s):
LAH, Lithium alanate, Lithium tetrahydroaluminate
Linear Formula:
LiAlH4
CAS Number:
Molecular Weight:
37.95
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥97.0% (gas-volumetric)

form

solid

reaction suitability

reagent type: reductant

mp

125 °C (dec.) (lit.)

SMILES string

[Li].[AlH3]

InChI

1S/Al.Li.4H/q-1;+1;;;;

InChI key

OCZDCIYGECBNKL-UHFFFAOYSA-N

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General description

Lithium aluminum hydride (LiAlH4) is a powerful reducing agent used in organic synthesis to reduce esters, carboxylic acids, acyl chlorides, aldehydes, epoxides, and ketones into the corresponding alcohols. It also converts amide, nitro, nitrile, imine, oxime, and azide compounds into amines.

Application

Reactant involved in:
  • Dehydrogenation studied with various catalysts
  • Regeneration of methoxysilanes via reduction
  • Transition metal electrophilic hydrogen activation via heterolytic cleavage
  • Formation of nickel hydrogenation catalysts
  • Hydrogen sorption
  • Electrodeposition of Al on W-Cu substrates

Packaging

packed in plastic bag, which is soluble at 45-60°C in hydrocarbons, THF and dioxane

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1A - Water-react 1

Storage Class Code

4.3 - Hazardous materials, which set free flammable gases upon contact with water

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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