| Melting point |
220 °C (dec.) (lit.) |
| Density |
4.6 g/mL at 25 °C (lit.) |
| refractive index |
1.45 |
| solubility |
insoluble in H2O, ethanol, dilacid, alkaline solutions |
| form |
powder |
| color |
Black |
| Specific Gravity |
4.6 (20℃) |
| Water Solubility |
Soluble in nitric acid, ammonium hydroxide, potassium cyanide. Insoluble in water, ethanol, hydrochloric acid ,dilute acids, sulfuric acid, alkali cyanides, aqueous ammonia and alkaline solutions. |
| Sensitive |
Air & Moisture Sensitive |
| Merck |
14,2965 |
| crystal system |
Six sides |
| Space group |
P63/mmc |
| Solubility Product Constant (Ksp) |
pKsp: 35.2 |
| Lattice constant |
| a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 | | 0.37938 | 0.37938 | 1.6341 | 90 | 90 | 120 | 0.2037 |
|
| Exposure limits |
ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3 |
| Stability |
Stable, but may be moisture senstive. Incompatible with strong acids, strong oxidizing agents. |
| CAS DataBase Reference |
1317-40-4(CAS DataBase Reference) |
| EPA Substance Registry System |
Copper sulfide (CuS) (1317-40-4) |
