Copper(I): Blue-green; Copper(II): Green (non-halide) to blue-green (halide)
1.673 μΩ-cm, 20°C
insoluble
air sensitive
13,2545
TLV-TWA 1 mg(Cu)/m3 (dusts and mists)
(ACGIH and MSHA); 0.2 mg/m3 (fumes)
(ACGIH).
Stable. Incompatible with strong acids, active halogen compounds, chlorine, fluorine, iodine, bromine, ammonia. May react explosively with strong oxidizing agents.