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21548-73-2 - Silver sulfide, Premion®, 99.995% (metals basis) - 12113 - Alfa Aesar

12113 Silver sulfide, Premion®, 99.995% (metals basis)

CAS Number
21548-73-2
Synonyms

Size Price ($) Quantity Availability
5g 81.90
25g 293.00
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Silver sulfide, Premion®, 99.995% (metals basis)

MDL
MFCD00003406
EINECS
244-438-2

Chemical Properties

Formula
Ag2S
Formula Weight
247.80
Form
Powder
Melting point
825°
Density
7.317
Sensitivity
Light Sensitive
Solubility
Insoluble in most of the solvents. Insoluble in acids, alkalies and aqueous ammoniums.

Applications

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.

Notes

It gets degraded by strong acids. Dense black or greyish-black solid.

Literature References

Goh, J. -Q.; Malola,S.; Häkkinen, H.; Akola, J. Silver Sulfide Nanoclusters and hte Superatom Model. J. Phys. Chem. C 2015, 119 (3), 1583-1590.

Shen, H.; Jiao, X.; Oron,D.; Li, J.; Lin, H. Efficient Electron Injection in Non-toxic Silver Sulfide (Ag{2}S) Sensitized Solar Cells. J. Power Sources 2013, 240, 8-13.

GHS Hazard and Precautionary Statements

Hazard Statements: H400-H410

Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Precautionary Statements: P273-P391-P501a

Avoid release to the environment. Collect spillage. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,8530
Hazard Class
9
Packing Group
III
Harmonized Tariff Code
2843.29
TSCA
Yes

Recommended

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  • 10515

    Lithium chloride, anhydrous, 99%
  • 10857

    Silver chloride, Premion®, 99.997% (metals basis)
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    Silver iodide, Premion®, 99.999% (metals basis)

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