Iron(II) sulfide is used as a pigment in hair dyes and ceramics, glasses and bottles, and paint, Also used in lubricants and anodes, as a hydrogen sulfide source, and to treat exhaust gases. And it is also used as resulphurizing agent in the production of carbon, alloy and stainless types of free cutting steels. It acts as an alloying agent to improve machine ability of steel castings which are used to manufacture various steel components.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.