It is used as luminous paint, depilatory, lubricant additive, ore dressing and flotation agent and as an arsenic-free hydrogen sulfide. It is also used as a depilatory in the tanning industry and in cosmetics, in homeopathy.

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.