Antimony(III) sulfide
Antimony(III) sulfide (CAS 1345-04-6), molecular formula Sb2S3, is a high-purity chemical supplied by Tech Serve Solutions for metal & ceramic science applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

| Molecular weight | 339.72 |
|---|---|
| Linear formula | Sb2S3 |
| Assay | 99.995% trace metals basis |
| Density | 4.64 g/mL at 25 °C(lit.) |
| Melting point | 550 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H332Harmful if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 1549 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/22-51/53 |
| Safety statements (S) | 61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Antimony(III) sulfide?
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Antimony(III) sulfide (CAS 1345-04-6), molecular formula Sb2S3, is a high-purity chemical supplied by Tech Serve Solutions for metal & ceramic science applications, to USP, BP and EP standards.
What grades of Antimony(III) sulfide does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Antimony(III) sulfide in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Antimony(III) sulfide?
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Antimony(III) sulfide has CAS number 1345-04-6 and molecular formula Sb2S3. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Antimony(III) sulfide?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Antimony(III) sulfide ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Antimony(III) sulfide be stored?
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Store Antimony(III) sulfide in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Antimony(III) sulfide used for?
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Antimony(III) sulfide is used in metal & ceramic science applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Antimony(III) sulfide?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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