Characteristic

Nickel sulfide is an inorganic compound with the formula NiS. It is a black solid that is produced by treating nickel(II) salts with hydrogen sulfide. Many nickel sulfides are known, including the mineral millerite, which also has the formula NiS.

Chemical formula：NiS

Molar mass：90.7584 g mol⁻¹

Appearance：black solid

Odor：Odorless

Density：5.87 g/cm³

Melting point：797 °C (1,467 °F; 1,070 K)

Boiling point：1,388 °C (2,530 °F; 1,661 K)

Solubility in water：insoluble

Solubility：soluble in nitric acid

Magnetic susceptibility (χ)：+190.0·10⁻⁶ cm³/mol

Crystal structure：hexagonal

Application

Aside from being useful ores, nickel sulfides are the products of desulfurization reactions, and are sometimes used as catalysts.

NiS_MSDS.pdf