20405-64-5

20405-64-5 structure
20405-64-5 structure

Name copper,selenium
Synonyms EINECS 243-796-7
Dicopper selenide
Cuprous selenide
MFCD00049908
Density 6.84 g/mL at 25 °C(lit.)
Melting Point 1113ºC
Molecular Formula Cu2Se
Molecular Weight 206.05200
Exact Mass 205.77600
Appearance Pieces | Dark blue to black
Water Solubility Soluble in hydrochloric acid. Insoluble in water.
Symbol GHS06 GHS08 GHS09
GHS06, GHS08, GHS09
Signal Word Danger
Hazard Statements H301-H331-H373-H410
Precautionary Statements P261-P273-P301 + P310-P311-P501
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T: Toxic;N: Dangerous for the environment;
Risk Phrases 23/25-33-50/53
Safety Phrases 20/21-28-45-60-61
RIDADR UN 3077 9/PG 3
WGK Germany 3
Packaging Group III
Hazard Class 6.1(b)