Place of Origin : Shanghai,China
Post Date : 04-12-2011
Expiry Date : 30-10-2012

Classification: Oxide
Type: Copper Oxide
Molecular Formula: CuO
Molecular Weight:79.54
CAS No: 1317-38-0
EINECS:215-269-1
Appearance: Black Powder
Specifications:
NAME
Copper Oxide
ITEM
Standard I
Standard II
CuO % Min
99
98
Muriatic Acid Insoluble Substance % Max
0.05
0.20
Cl % Max
0.02
0.20
SO 4 % Max
0.05
0.20
Water-insoluble % Max
0.01
0.10
Residue On Sieve (150um ) Max %

0.10
Residue On Sieve (300um ) Max %
0.10
Property: Copper Oxide Is Black To Brown Amorphous Powder Or Crystalline Particles (monoclinic Crystals). Relative Density 6.315, Melting Point 1446 °C, Melting Point 11.80KJ/mol, Mohs Hardness 3-4, Dielectric Constant 18.10, Insoluble In Water, Soluble In Acid, Ammonia, Ammonium Chloride, Dissolved In Sodium Hydroxide To Produce Blue Color Solution, Which Leads To Hydrogen At High Temperature Or Carbon Monoxide Can Be Reduced To Metallic Copper.