COPPER(I) SELENIDE Chemical Properties

Melting point:

1113°C

Density 

6.84 g/mL at 25 °C (lit.)

solubility 

insoluble in H2O; soluble in acid solutions

form 

Pieces

color 

Dark blue to black

Water Solubility 

Soluble in hydrochloric acid. Insoluble in water.

Merck 

14,2666

Exposure limits

ACGIH: TWA 1 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 100 mg/m3; IDLH 1 mg/m3; TWA 1 mg/m3; TWA 0.2 mg/m3

EPA Substance Registry System

Copper selenide (Cu2Se) (20405-64-5)

Safety Information

Hazard Codes 

T,N

Risk Statements 

23/25-33-50/53

Safety Statements 

20/21-28-45-60-61

RIDADR 

UN 3077 9/PG 3

WGK Germany 

3

TSCA 

Yes

HazardClass 

6.1(b)

PackingGroup 

III

HS Code 

2921290090

MSDS

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

COPPER(I) SELENIDE Usage And Synthesis

Chemical Properties

Dark-blue to black crystalline solid. Soluble in sulfuric acid (sulfur dioxide evolved); also in potassium cyanide solution.

Uses

Copper(I) selenide is used as intermediate in chemical research. It is a thermoelectric material used in a number of industrial applications including infrared detection and imaging.

Uses

In semiconductors.

General Description

This product has been enhanced for energy efficiency.

COPPER(I) SELENIDE(20405-64-5)Related Product Information

• SODIUM SELENIDE
• FERROUS SULFATE
• COPPER (II) TELLURIDE
• Selenium
• calcium selenide
• Molybdenum(IV) selenide
• SODIUM TELLURITE
• NICKEL SELENIDE
• ZINC TELLURIDE
• TIN (II) TELLURIDE
• CADMIUM SELENIDE
• MOLYBDENUM TELLURIDE
• ANTIMONY (III) SELENIDE
• GALLIUM SELENIDE
• Bismuth selenide
• INDIUM SELENIDE
• ALUMINUM SELENIDE
• TIN SELENIDE