Lithium Aluminum Hydride

LiAlH₄

IUPAC: Lithium tetrahydridoaluminate

CAS: 16853-85-3

Übersicht

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

Zusammensetzung

Element Symbol Atome Atommasse
Hydrogen H 4 1,0080
Lithium Li 1 6,9410
Aluminum Al 1 26,9820

Elementare Zusammensetzung

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

Verwendung

  • • Organic synthesis reducing agent
  • • Hydrogen storage research

Wissenswertes

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

Sicherheit

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

Structure

SMILES

[Li+].[AlH4-]

Eigenschaften

Typ
inorganic
Zustand
solid
Molmasse
37,95 g/mol
Dichte
0,9170 g/cm³
Schmelzpunkt
150,0 °C
Löslichkeit
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

Verwandte Verbindungen

Diborane

B₂H₆

Arsine

AsH₃

Boron Trichloride

BCl₃

Cisplatin

Pt(NH₃)₂Cl₂

Gallium Arsenide

GaAs

Barium Ferrite

BaFe₁₂O₁₉

Barium Titanate

BaTiO₃

Calcium Aluminate Cement

CaO·Al₂O₃

Nitrogen Trifluoride

NF₃

Aluminum Chloride

AlCl₃

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).