ALUMINUM SELENIDE Chemical Properties

Melting point:

960°C

Density 

3,437 g/cm³

solubility 

reacts with H2O

form 

Pieces

color 

Pale brown

Specific Gravity

3.437

Water Solubility 

Decomposes to Al{2}0{3} and SeO{2} in water

Sensitive 

Moisture Sensitive

Crystal Structure

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

Solubility Product Constant (Ksp)

pKsp: 24.4

Exposure limits

ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3

CAS DataBase Reference

1302-82-5(CAS DataBase Reference)

EPA Substance Registry System

Aluminum selenide (Al2Se3) (1302-82-5)

Safety Information

Risk Statements 

23/25-33-50/53

Safety Statements 

20/21-28-45

RIDADR 

3283

TSCA 

Yes

HazardClass 

6.1

PackingGroup 

II

MSDS

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ALUMINUM SELENIDE Usage And Synthesis

Chemical Properties

6.5mm and down black pieces or yellowish to light brown powder(s); unstable in air; formed by reaction of stoichiometric amounts of Al and Se at 1000°C; used to prepare H2Se for semiconductor work; a=0.389nm, c=0.630nm [STR93] [MER06] [CIC73]

Uses

It is used as a precursor to?hydrogen selenide

Uses

In preparation of hydrogen selenide; in semiconductor research.

ALUMINUM SELENIDE(1302-82-5)Related Product Information

• CUPRIC SELENITE
• MERCURY (II) SELENIDE
• TIN SELENIDE
• COPPER(I) SELENIDE
• calcium selenide
• ANTIMONY (III) SELENIDE
• Molybdenum(IV) selenide
• GALLIUM SELENIDE
• Bismuth selenide
• Silicon nitride
• BISMUTH SULFIDE
• SODIUM SELENIDE
• Sodium sulfide nonahydrate
• Bismuth selenide
• ZINC TELLURIDE
• Aluminium hydride
• ALUMINUM SELENIDE