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Silver sulfide, Premion™, 99.995% (metals basis)
CAS: 21548-73-2 | Ag2S | 247.80 g/mol
$308.93 - $1221.59
Chemical Identifiers
| CAS | 21548-73-2 |
|---|---|
| Molecular Formula | Ag2S |
| Molecular Weight (g/mol) | 247.80 |
| MDL Number | MFCD00003406 |
| InChI Key | XUARKZBEFFVFRG-UHFFFAOYSA-N |
| IUPAC Name | disilver(1+) sulfanediide |
| SMILES | [S--].[Ag+].[Ag+] |
Description
It finds use as a photosensitizer in photography. Blackening the silver for jewelleries and disinfection/sterilization of reservoirs. Anti-bacterial and anti-microbial agents. Laboratory reagents. A mixed ionic-electronic conductor. In IR detectors, photoconductors, photovoltaic cells, electrochemical storage cells, etc. Black colorant in ceramic glazes and for niello metal work. Autometallography in the detection of catalytic tissue metals and colloidal gold particles bound to macromolecules.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Chemical Identifiers
| 21548-73-2 | |
| 247.80 | |
| XUARKZBEFFVFRG-UHFFFAOYSA-N | |
| [S--].[Ag+].[Ag+] |
| Ag2S | |
| MFCD00003406 | |
| disilver(1+) sulfanediide |
Specifications
| 825°C | |
| 21548-73-2 | |
| 5 g | |
| Ag2S | |
| Insoluble in most of the solvents. Insoluble in acids,alkalies and aqueous ammoniums. | |
| [S--].[Ag+].[Ag+] | |
| 247.80 | |
| Odorless | |
| Dark grey to black powder/flake/crystalline/beads | |
| Silver sulfide |
| Gray to Black | |
| Powder | |
| 99.998% (metals basis) | |
| MFCD00003406 | |
| XUARKZBEFFVFRG-UHFFFAOYSA-N | |
| disilver(1+) sulfanediide | |
| 247.8 | |
| Light sensitive | |
| 7.317 |
Safety and Handling
H400-H410: Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.
DOTInformation : DOT Class: 9, Packaging Group: III
EINECSNumber : 244-438-2
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only