Bismuth(III) sulfide is mainly used in solar cells, photodiode array and infrared spectroscopy. It is also applied in the manufacture of other bismuth compounds, additives for free-cutting steels and micro-electronics industry.

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.