| Melting point |
1083.4 °C (lit.) |
| Boiling point |
2567 °C (lit.) |
| Density |
8.94 g/mL at 25 °C (lit.) |
| bulk density |
3.32g/cm3 |
| vapor pressure |
0Pa at 20℃ |
| Flash point |
-23 °C |
| storage temp. |
2-8°C |
| solubility |
slightly soluble in dilute acid solutions |
| form |
wire |
| pka |
7.4 |
| Specific Gravity |
8.92 |
| color |
Rust-brownish |
| PH |
3.2 (20°C in H2O) |
| Flame Color |
Copper(I): Blue-green; Copper(II): Green (non-halide) to blue-green (halide) |
| Resistivity |
1.673 μΩ-cm, 20°C |
| Water Solubility |
insoluble |
| Electrical Conductivity |
5.9× 107S/m |
| Thermal Conductivity |
400 W/(m·K) |
| Specific Heat Capacity |
Cp(crystal): 0.38 J/(g·K); Cp(gas): 0.33 J/(g·K), at 25℃ |
| Sensitive |
air sensitive |
| Merck |
13,2545 |
| Exposure limits |
ACGIH:TLV-TWA 1 mg/m3 — Dusts and Mists,as Cu
OSHA:PEL-TWA 1 mg/m3 (dusts & mists)
NIOSH:REL-TWA 1 mg/m3 (except fume) |
| Stability |
Stable. Incompatible with strong acids, active halogen compounds, chlorine, fluorine, iodine, bromine, ammonia. May react explosively with strong oxidizing agents. |
| Cosmetics Ingredients Functions |
BULKING
COLORANT
SKIN CONDITIONING - HUMECTANT
ASTRINGENT
ANTIMICROBIAL
HAIR CONDITIONING
SKIN PROTECTING |
| InChI |
1S/Cu |
| InChIKey |
RYGMFSIKBFXOCR-UHFFFAOYSA-N |
| SMILES |
[Cu] |
| Bulk Modulus |
140 GPa |
| Hardness, Rockwell B |
37 |
| Modulus of Elasticity |
110 GPa |
| Poissons Ratio |
0.364 |
| Shear Modulus |
46.0 GPa |
| Hardness, Vickers |
50 |
| Hardness, Brinell |
89, Converted from Vickers for 500 kg load/10 mm ball Brinell test. |
| Hardness, Rockwell A |
35, Converted from Vickers. |
| CAS DataBase Reference |
7440-50-8(CAS DataBase Reference) |
| NIST Chemistry Reference |
Copper(7440-50-8) |
| EPA Substance Registry System |
Copper (7440-50-8) |
