Silver sulfide
Silver sulfide (CAS 21548-73-2, Ag2S) is a dark solid compound with a molecular weight of 247.80 g/mol. It is known for its semiconductor properties and is utilized in specialised material science applications. With a density of 7.234 g/mL and a melting point of 845 °C, it serves as a precursor in certain chemical syntheses and research endeavours.
Materials Science Research
Silver sulfide is employed in the development and study of novel materials due to its unique electronic and optical properties. Its semiconductor characteristics are of interest for potential applications in electronic devices and sensors.
Chemical Synthesis Precursor
It can serve as a starting material or intermediate in the synthesis of other silver-containing compounds or specialised inorganic materials. Its controlled decomposition can yield silver nanoparticles or films.
Catalysis Research
Exploratory research investigates the potential catalytic activity of silver sulfide in various chemical reactions. Its surface properties may lend themselves to catalytic applications in specific industrial processes.
| Molecular weight | 247.80 |
|---|---|
| Empirical formula | Ag2S |
| Assay | 99.9% trace metals basis |
| Density | 7.234 g/mL at 25 °C(lit.) |
| Melting point | 845 °C(lit.) |
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 Silver sulfide (CAS 21548-73-2) used for?
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Silver sulfide (CAS 21548-73-2) is primarily used in materials science research and as a precursor in chemical synthesis. Its semiconductor properties are of interest for developing new electronic materials and sensors, and it may find applications in catalysis research.
What is the CAS number and chemical formula for Silver sulfide?
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The CAS number for Silver sulfide is 21548-73-2, and its chemical formula is Ag2S.
What grade and purity does Tech Serve Solutions supply for Silver sulfide?
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Tech Serve Solutions supplies Silver sulfide with an assay of 99.9% on a trace metals basis. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Silver sulfide be handled safely?
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Silver sulfide is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), wear eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Refer to the Safety Data Sheet for comprehensive handling instructions.
How is Silver sulfide packed and shipped?
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Silver sulfide is carefully packaged to ensure product integrity during transit. TSS offers global export services, adhering to international shipping regulations for chemical products.
How can I request a sample or quote for Silver sulfide?
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To request a sample or a quote for Silver sulfide, please contact our sales team through the website or by phone. Please specify the quantity and delivery location.
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