Gold(III) sulfide
Gold(III) sulfide (CAS: 1303-61-3, Formula: Au₂S₃, Molar Mass: 490.13 g/mol) is a chemical compound. It is primarily used in materials science and related fields due to its chalcogenide properties. This high-purity material is supplied by Tech Serve Solutions for research and development purposes.

Materials Science Research
Gold(III) sulfide serves as a precursor or component in the synthesis of novel materials. Its unique electronic and structural properties are explored for advanced applications in solid-state chemistry.
Chalcogenide Chemistry
This compound is relevant in the study of chalcogenides, contributing to the understanding of their fundamental properties. It can be used in investigations related to thin films and semiconductor research.
Specialty Chemical Synthesis
Gold(III) sulfide may be employed as a reagent or intermediate in the synthesis of other gold-containing compounds or complex inorganic structures.
| Molecular weight | 490.13 |
|---|---|
| Linear formula | Au2S3 |
| Assay | 99.9% trace metals basis |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 Gold(III) sulfide used for?
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Gold(III) sulfide is used in materials science research, chalcogenide chemistry, and specialty chemical synthesis.
What is the CAS number and formula for Gold(III) sulfide?
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The CAS number is 1303-61-3 and the chemical formula is Au₂S₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Gold(III) sulfide with an assay of 99.9% trace metals basis. This product is not represented as USP, BP, or EP grade.
How should Gold(III) sulfide be handled?
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Gold(III) sulfide may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Wear a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation. Handle in accordance with the precautionary statements P261, P305, P351, and P338.
How is Gold(III) sulfide packaged and exported?
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Gold(III) sulfide is carefully packaged to maintain its integrity during transit and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample for Gold(III) sulfide?
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To request a quote or sample of Gold(III) sulfide, please contact our sales team via the website or direct contact details provided.
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