Lithium Aluminum Hydride

LiAlH₄

IUPAC: Lithium tetrahydridoaluminate

CAS: 16853-85-3

Aperçu

LiAlH4 (LAH) is one of the most powerful reducing agents in organic chemistry. It reduces esters, carboxylic acids, and amides that milder reagents cannot.

Composition

Élément Symbole Atomes Masse atomique
Hydrogen H 4 1,0080
Lithium Li 1 6,9410
Aluminum Al 1 26,9820

Composition élémentaire

H
Hydrogen ×4
10,6%
Li
Lithium ×1
18,3%
Al
Aluminum ×1
71,1%

Usages

  • • Organic synthesis reducing agent
  • • Hydrogen storage research

Le saviez-vous

  • ✦ Can reduce almost any carbonyl compound, making it indispensable in organic synthesis

Sécurité

  • ⚠ Pyrophoric
  • ⚠ Reacts violently with water
  • ⚠ Fire hazard

Structure

SMILES

[Li+].[AlH4-]

Propriétés

Type
inorganic
État
solid
Masse molaire
37,95 g/mol
Densité
0,9170 g/cm³
Point de fusion
150,0 °C
Solubilité
reacts

Molecular Descriptors

Exact Mass
38,0288
TPSA
0,0 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
0,0

Composés associés

Arsine

AsH₃

Barium Ferrite

BaFe₁₂O₁₉

Calcium Aluminate Cement

CaO·Al₂O₃

Aluminum Nitride

AlN

Ammonium Persulfate

(NH₄)₂S₂O₈

Calcium Hydride

CaH₂

Xenon Difluoride

XeF₂

Magnesium Silicate

Mg₃Si₄O₁₀(OH)₂

Hydroxylamine

NH₃O

Diborane

B₂H₆

Frequently Asked Questions

What is Lithium Aluminum Hydride?
Lithium Aluminum Hydride (LiAlH₄) is a inorganic compound with the IUPAC name Lithium tetrahydridoaluminate.
What is the molecular weight of Lithium Aluminum Hydride?
Lithium Aluminum Hydride has a molar mass of 37.95 g/mol.
What state is Lithium Aluminum Hydride at room temperature?
Lithium Aluminum Hydride is a solid at room temperature.
Is Lithium Aluminum Hydride organic or inorganic?
Lithium Aluminum Hydride is classified as an inorganic compound.
What elements make up Lithium Aluminum Hydride?
Lithium Aluminum Hydride (LiAlH₄) is composed of Hydrogen (H), Lithium (Li), Aluminum (Al).