Melting point :1326 °C
Density :6.315
refractive index :2.63
storage temp. :no restrictions.
solubility :Aqueous Acid (Slightly), Methanol (Slightly)
form :powder
color :Brown to black
Specific Gravity :6.3-6.49
Odor :at 100.00?%. odorless
PH :7 (50g/l, H2O, 20℃)(slurry)
Water Solubility :insoluble
Merck :14,2646
crystal system :Monoclinic
Space group :C2/c
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.46837	0.34226	0.51288	90	99.54	90	0.0811

Dielectric constant :18.1（Ambient）
Exposure limits :ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3; TWA 1 mg/m3 Stability :Stable. Incompatible with reducing agents, hydrogen sulfide, aluminium, alkali metals, finely powdered metals.
CAS DataBase Reference :1317-38-0(CAS DataBase Reference)
NIST Chemistry Reference :Copper(ii) oxide(1317-38-0)
EPA Substance Registry System :Cupric oxide (1317-38-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. P391 Collect spillage. Hazardous to the aquatic environment P501 Dispose of contents/container to..…