Aluminium sulfide Chemical Properties

Melting point:

1100 °C

Density 

2.02 g/mL at 25 °C (lit.)

form 

granular

color 

Yellow

Specific Gravity

2.02

Water Solubility 

decomposes in H2O [MER06]

Sensitive 

Moisture Sensitive

Crystal Structure

Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc

crystal system

Six sides

Merck 

14,367

Solubility Product Constant (Ksp)

pKsp: 6.7

Space group

P61

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.643	0.643	1.788	90	90	120	0.6402

CAS DataBase Reference

1302-81-4(CAS DataBase Reference)

EPA Substance Registry System

Aluminum sulfide (Al2S3) (1302-81-4)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-27-36/37/39

RIDADR 

UN3134

WGK Germany 

3

TSCA 

Yes

HazardClass 

4.3

PackingGroup 

III

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Aluminium sulfide Usage And Synthesis

Chemical Properties

Aluminium sulfide is a greyish solid, with a bad sulfide smell, especially in moist air. It has the chemical formula Al2S3. It reacts with water to release hydrogen sulfide, and is insoluble in most solvents. It melts at 1100 °C and sublimes at 1,500 °C. Aluminium sulfide has at least six crystalline forms, the more important ones being α, β, γ and δ.

Uses

Aluminum Sulfide is used in the preparation of hydrogen sulfide.
Used to produce chemicals used in the tanning and papermaking industry.
Used to produce organic compounds such as ethanethiol.

Uses

To prepare hydrogen sulfide.

Preparation

Aluminium sulfide can be prepared through a thermite-like reaction between aluminium and sulfur powders.
2 Al + 3 S → Al2S3

Hazard

Irritant to skin and mucous membranes.

Aluminium sulfide(1302-81-4)Related Product Information

• Potassium nitrate
• Sulfurous Acid
• SILVER(I) SULFIDE
• CADMIUM HYDROXIDE
• Ferric sulfate
• Aluminum chlorohydrate
• Aluminum sulfate
• Copper(II) sulfate pentahydrate
• Lithium sulfide
• Zinc oxide
• LEAD(II) SULFATE
• Aluminum chloride
• BARIUM SULFIDE
• Lead(II) chloride
• Magnesium nitride
• Zinc sulfide
• Aluminium sulfide