Copper (I) Sulfide (CuS)-Powder

  • 1317-40-4
  • CuS
  • 99.95%-99.999 %
  • - 325 mesh (12 mic aps).etc
  • 215-271-2


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


Used as an analytical reagent.

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