Copper (I) Sulfide (CuS)-Powder

Characteristic




Copper monosulfide is a chemical compound of copper and sulfur. It occurs in nature as the dark indigo blue mineral covellite. It is a moderate conductor of electricity.




Chemical formula：CuS

Molar mass：95.611 g/mol

Appearance：black powder or lumps

Density：4.76 g/cm3

Melting point：above 500 °C (932 °F; 773 K) (decomposes)

Solubility in water：0.000033 g/100 mL (18 °C)

Solubility product (Ksp)：6 x 10−37

Solubility：soluble in HNO3, NH4OH, KCN

insoluble in HCl, H2SO4

Magnetic susceptibility (χ)：-2.0·10−6 cm3/mol

Refractive index (nD)：1.45

Crystal structure：hexagonal




Application




Used as an analytical reagent.