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Antimony(III) Sulfide (Sb₂S₃)

Antimony(III) Sulfide (Sb₂S₃), or Antimony Trisulfide, is the most common antimony mineral and the chief source of the metal. It is a black needle-like crystal and semiconductor with a direct band gap of 1.8–2.5 eV.

Purity: 98.0% up to 99.99%

Powder sized down to nanometers
Typical Applications

Antimony(III) Sulfide is used in the production of safety matches, military ammunition, explosives, and pyrotechnics. It is a yellow pigment for glass and porcelain and is a flame retardant. It is also used in vacuum deposition and to produce antimony salts, percussion caps, camouflage paints, and ruby glass.

Packaging Options

Bags, drums, and bulk bags


Antimony(III) Sulfide TSCA (SARA Title III) Status: Listed
For further information, please call the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Antimony(III) Sulfide CAS Number: 1345-04-6
Antimony Sulfide Powder UN Number: 1549

Sustainable Qualities

Antimony (III) Sulfide is a semiconductor material that is widely used in the production of electronic devices such as solar cells, LEDs, and transistors. This material is considered sustainable because it has a relatively low environmental impact compared to other semiconductors. It also has the potential to contribute to a circular economy by being recycled or reused in other applications.

Antimony (III) Sulfide is also a relatively abundant material, which means its production does not require extensive mining or extraction of rare resources. In addition, the material is stable and non-toxic, which makes it an attractive alternative to other semiconductors that may have negative environmental or health impacts. As the demand for sustainable electronic devices continues to grow, Antimony (III) Sulfide is likely to play an increasingly important role in the circular economy.

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