CuO:≥99.9wt%
APS:40nm
SSA:>120m2/g
Density:6.4g/cm3
Volume density:0.3g/cm3
Appearance:spherical
Crystal form:
Color:black
Note: According to user requirements of nano particle can provide different size products.
| Copper oxide |
| |
| Identifiers |
| CAS number | 1317-38-0 |
| PubChem | 14829 |
| ChemSpider | 144499 |
| UNII | V1XJQ704R4 |
| RTECS number | GL7900000 |
| Properties |
| Molecular formula | CuO |
| Molar mass | 79.545 g/mol |
| Appearance | black to brown powder |
| Density | 6.315 g/cm3 |
| Melting point | 1326 °C, 1599 K, 2419 °F |
| Boiling point | 2000 °C, 2273 K, 3632 °F |
| Solubility in water | insoluble |
| Solubility | soluble in ammonium chloride , potassium cyanide
insoluble in alcohol , ammonium hydroxide , ammonium carbonate |
| Band gap | 1.2 eV |
| Refractive index (nD) | 2.63 |
| Structure |
| Crystal structure | monoclinic , mS8 |
| Space group | C2/c, #15 |
| Lattice constant | a = 4.6837, b = 3.4226, c = 5.1288 |
| Lattice constant | α = 90°, β = 99.54°, γ = 90° |
| Thermochemistry |
Std enthalpy of
formation ΔfHo298 | −156 kJ@mol−1 |
Standard molar
entropy So298 | 43 J@mol−1@K−1 |
| Hazards |
| MSDS | Fischer Scientific |
| EU Index | Not listed |
| EU classification | Harmful (Xn)
Dangerous for the environment (N) |
| Flash point | Non-flammable |
| Related compounds |
| Other anions | Copper(II) sulfide |
| Other cations | Nickel(II) oxide
Zinc oxide |
| Related compounds | Copper(I) oxide |
| ITEM | SPECIFICATIONS | TEST RESULTS |
| Appearance | Black Powder | Black Powder |
| Purity % | 99.9 | 99.9 |
| Cu % | | 79.87 |
| Impurities |
| Zn % | | <0.0001 |
| Fe % | | <0.0003 |
| Ni % | | <0.0001 |
| Pb % | | <0.0005 |
| Al % | | <0.0003 |
| Ca % | | <0.0005 |
| Sn % | | <0.0005 |
| Mn % | | <0.0001 |
| Sb % | | <0.0005 |
| Cl- % | | <0.001 |
| Acid-insoluble substance % | | <0.0005 |
| |
| Dissolution rate S | | 5 |
| SSA m2/g | | 18 |
| Bulk Density g/m3 | | 0.7-0.8 |
| Particle Size | | 40-50nm |
Copper oxide or cupric oxide (CuO) is the higher oxide of copper. As a mineral, it is known as tenorite.
Cupric oxide is used as a pigment in ceramics to produce blue, red, and green (and sometimes gray, pink, or black) glazes. It is also used to produce cuprammonium hydroxide solutions, used to make rayon. It is also occasionally used as a dietary supplement in animals, against copper deficiency. Copper(II) oxide has application as a p-type semiconductor, because it has a narrow band gap of 1.2 eV. It is an abrasive used to Polish optical equipment. Cupric oxide can be used to produce dry cell batteries. It has also been used in wet cell batteries as the cathode, with lithium as an anode, and dioxalane mixed with lithium perchlorate as the electrolyte. Copper(II) oxide can be used to produce other copper salts. It is also used when welding with copper alloys.
Another use for cupric oxide is as a substitute for iron oxide in thermite. This can turn the thermite from an incendiary to a low explosive.
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