Strontium Sulfide is the inorganic compound with the formula SrS. It is a white solid. The compound is an intermediate   in the conversion of strontium sulfate, the main strontium ore called celestite, to other more useful compounds.

Strontium sulfide is produced by the reduction of the sulfate above 1000 °C:

SrSO4 + 2 C SrS + 2 CO2

 Description: http://abassco.com/Portals/0/black-ash%20properties.JPG

Applications

It is used for depilatory industry as unhearing agent. It is used for producing of other strontium compounds as an intermediate.