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212792

Sigma-Aldrich

Lithium aluminum hydride solution

1.0 M in diethyl ether

Synonym(s):

LAH, Lithium alanate, Lithium tetrahydroaluminate

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About This Item

Linear Formula:
LiAlH4
CAS Number:
16853-85-3
Molecular Weight:
37.95
MDL number:
MFCD00011075
UNSPSC Code:
26111700
PubChem Substance ID:
24852742
NACRES:
NA.22

form

liquid

Quality Level

200

reaction suitability

reagent type: reductant

concentration

1.0 M in diethyl ether

density

0.716 g/mL at 25 °C

storage temp.

2-30°C

SMILES string

[Li+].[AlH4-]

InChI

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

InChI key

OCZDCIYGECBNKL-UHFFFAOYSA-N

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Application

Reactant or reagent for:
  • The preparation of thermoplastic polyester polyamides from oleic acid
  • Lithium-polymer batteries
  • Hydrodefluorination of gem-difluoromethylene derivatives
  • Asymmetric aldol reactions
  • Synthesis of Li-Al-N-H composites with hydrogen absorption / desorption properties

LAH is a powerful reducing agent for many different reduction reactions such as that of ketones to alcohols

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 1 - Skin Irrit. 2 - STOT SE 3 - Water-react 1

Target Organs

Respiratory system

Supplementary Hazards

EUH019

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

1.4 °F - closed cup

Flash Point(C)

-17 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Bacterial poly(hydroxyalkanoates) (PHAs) vary in the composition of their monomeric units. Besides saturated side-chains, unsaturated ones can also be found. The latter leads to unwanted by-products (THF ester, secondary alcohols) during acidic cleavage of the polymer backbone in the conventional
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Bioorganic & medicinal chemistry letters, 20(1), 283-287 (2009-11-26)
A series of new benzoxazepine derivatives substituted with different alkoxy and aryloxy group were synthesized comprising synthetic steps of Mitsunobu reaction, lithium aluminum hydride (LAH) reduction, followed by debenzylation and finally intramolecular Mitsunobu cyclization. The new benzoxazepines specifically inhibited growth
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