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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-Nummer
21548-73-2
Synonyme

Größe Preis ($) Menge Verfügbarkeit
5g 81,90
25g 293,00
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Silver sulfide, Premion®, 99.995% (metals basis)

MDL
MFCD00003406
EINECS
244-438-2

Chemische Eigenschaften

Formel
Ag2S
Molmasse
247.80
Form
Powder
Schmelzpunkt
825°
Dichte
7.317
Sensitivität
Light Sensitive
Löslichkeit
Insoluble in most of the solvents. Insoluble in acids, alkalies and aqueous ammoniums.

Anwendungen

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.

Bemerkungen

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

Literaturverweise

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 Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H400-H410

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

Sicherheitshinweise: P273-P391-P501a

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

Weitere Referenzen

Merck
14,8530
Gefahrenklasse
9
Verpackungsgruppe
III
Harmonized Tariff Code
2843.29
TSCA
Yes

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