CAS Number: 20405-64-5
Formula: Cu2Se
Formula Weight: 206.05
Linear Formula: Cu2Se
MDL No.: MFCD00049908
Purity: 99.95% trace metals basis
Density: 6.84 g/mL at 25 C(lit.)
EC Number: 243-796-7
UNSPSC Code: 12352300
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General description: Copper selenide is an ionic conductor. 1 In nature, it occurs as mineral berzelianite. 2 Copper selenide may be prepared galvanically by coupled copper metal oxidation and Se reduction in alkaline selenosulfate (Na2SeSO3).
RIDADR: UN 3283 6.1 / PGII
WGK Germany: 3
R Codes: 23/25-33-50/53
S Codes: 20/21-28-45-60-61
IOD Codes: T,N
Symbol: GHS06, GHS08, GHS09
Signal Word: Danger
Hazard Statements: H301-H331-H373-H410
Precautionary statements: P261-P273-P301 + P310-P311-P501