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Silver sulfide, Premion™, 99.995% (metals basis)

Product Code. 11356478
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Product Code. 11356478 Supplier Thermo Scientific Alfa Aesar Supplier No. 012113.06
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Beschreibung

CAS: 21548-73-2 | Ag2S | 247.80 g/mol

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.

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Chemische Identifikatoren

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+]

Spezifikation

Melting Point 825°C
Color Gray to Black
Physical Form Powder
Quantity 5 g
Assay Percent Range 99.998% (metals basis)
Solubility Information Insoluble in most of the solvents. Insoluble in acids,alkalies and aqueous ammoniums.
Formula Weight 247.8
Odor Odorless
Sensitivity Light sensitive
Appearance Dark grey to black powder/flake/crystalline/beads
Density 7.317
Chemical Name or Material Silver sulfide
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