5740. Manganese Sulfide

Nomenclature

CAS number: 18820-29-6
Manganese monosulfide.
MnS; mol wt 87.00.
Mn 63.15%, S 36.86%.

Description and references

Occurs in nature as the mineral alabandite or manganblende. Prepn: Mehmed, Haraldsen, Z. Anorg. Chem. 235, 194 (1938).

Properties

Pink, green or brown-green powder. Three cryst modifications: α-form, green cubic crystals; β-form, red cubic crystals; γ-form, red hexagonal crystals. Practically insol in water; sol in dil acids. In moist condition it readily oxidizes in air to the sulfate.