Lithium Aluminum Hydride

LiAlH₄

IUPAC: Lithium tetrahydridoaluminate

CAS: 16853-85-3

Tổng quan

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

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 4 1,0080
Lithium Li 1 6,9410
Aluminum Al 1 26,9820

Thành phần nguyên tố

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

Công dụng

  • • Organic synthesis reducing agent
  • • Hydrogen storage research

Sự thật thú vị

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

An toàn

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

Structure

SMILES

[Li+].[AlH4-]

Tính chất

Loại
inorganic
Trạng thái
solid
Khối lượng mol
37,95 g/mol
Mật độ
0,9170 g/cm³
Điểm nóng chảy
150,0 °C
Độ hòa tan
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

Hợp chất liên quan

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).