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20405-64-5

Name COPPER(I) SELENIDE
CAS 20405-64-5
EINECS(EC#) 243-796-7
Molecular Formula Cu2Se
MDL Number MFCD00049908
Molecular Weight 206.05
MOL File 20405-64-5.mol
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Chemical Properties

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

Hazard Codes  T,N
Risk Statements 
Safety Statements 
RIDADR  UN 3077 9/PG 3
WGK Germany  3
TSCA  Yes
HazardClass  6.1(b)
PackingGroup  III
HS Code  2921290090

Hazard Information

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