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VAQORAPrecious Metal Salts & CompoundsAvailable on request
Silver sulphide, 98%
Synonyms: Disilver sulfide · Silver sulfide (Ag2S)
CAS No.21548-73-2
FormulaAg2S
Mol. weight247.80
Catalogue No.VQ-015455
Purity≥98%
HSN28432900
Silver sulphide (CAS 21548-73-2) – precious metal compound, ≥98%. Ag2S, MW 247.8. Buy from Vaqora Chemicals with COA and worldwide shipping.
Pack sizesPrice on quotation · bulk available
5 g
25 g
100 g
5 x 1 kg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Silver sulphide, 98%
Vaqora Chemicals supplies Silver sulphide, a precious metal compound registered under CAS number 21548-73-2, specified at ≥98% purity. With the molecular formula Ag2S, it has a molar mass of 247.8 g/mol. Systematically, it is named silver. Sulfanylidenesilver. Common synonyms include Disilver sulfide and Silver sulfide (Ag2S).
The product is provided as a powder. Literature values give a melting point of 845 °C and a density of 7.234 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.
It is commonly used for materials research and chemical synthesis. Our customers for this product work in academic and industrial research.
We offer Silver sulphide in 5 g, 25 g, 100 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.
Specifications & identifiers
| Product name | Silver sulphide, 98% |
|---|---|
| Catalogue No. | VQ-015455 |
| CAS Number | 21548-73-2 |
| IUPAC name | silver;sulfanylidenesilver |
| Molecular formula | Ag2S |
| Molecular weight | 247.8 g/mol |
| Exact mass | 247.7819 |
| Purity / assay | ≥98% |
| HSN code | 28432900 |
| InChIKey | OCWNMDUAUUAHSJ-UHFFFAOYSA-N |
| SMILES | S=[Ag].[Ag] |
| PubChem CID | 22981889 |
| Physical form | Powder |
|---|---|
| Appearance | Powder |
| Melting point | 845 °C |
| Density | 7.234 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 1 |
| TPSA | 32.1 Ų |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P305 + P351 + P338
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Silver sulphide, 98%?
The CAS Registry Number of Silver sulphide, 98% is 21548-73-2. It is also known as Disilver sulfide, Silver sulfide (Ag2S).
What is the molecular formula and molecular weight of Silver sulphide, 98%?
Silver sulphide, 98% has the molecular formula Ag2S and a molecular weight of 247.8 g/mol.
Which grade and pack sizes of Silver sulphide, 98% can I order?
We supply Silver sulphide, 98% in (≥98%) grade, in 5 g, 25 g, 100 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Silver sulphide, 98%?
Yes. Every lot of Silver sulphide, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Silver sulphide, 98% be shipped internationally?
Yes. Silver sulphide, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Silver sulphide, 98%
We reply within one business day with price, pack options, lead time and documentation.
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