Antimony Trisulphide

We are manufacturing Antimony Trisulphide in various forms.
ie; AR, LR and Technical Grade. These all grades are available in 5 kg pack to 50 kg packing in HDPE Drums or Bags.

Antimony Trisulphide Our organization has emerged as one of the prominent processors, suppliers and exporters of an optimum quality Antimony Trioxide. Our team of highly qualified and experienced professionals, hygienically process these as per the defined industry standards using the latest technology and premium quality ingredients

Antimony trisulfide, also known as Antimony (III) sulfide, is a chemical compound. Its chemical formula is Sb2S3. It has antimony and sulfide ions in it. The antimony is in its +3 oxidation state.

Antimony trisulfide is a gray solid. It reacts with hydrochloric acid to make hydrogen sulfide and an antimony (III) compound. It dissolves in potassium hydroxide. It burns in air to make antimony (III) oxide and sulfur dioxide. It is a reducing agent.

Technical Details

Product Name : Antimony Trisulphide
CAS No. 1345-04-6

Synonym: Antimony (III) Sulphide Properties


Antimony Sulphide


98% trace metal basis

Molecular Weight



White Powder

Melting Point

550 °C (1022°F)


4.64 g/mL at 25 °C (lit.)


Black Fine Powder

Retained 150 Microns

1% Max


Between 5.5-7.5

Total Sulfur

NMT 28%


NMT 0.01%