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Silver(I) Sulfide (Ag2S)CAS: 21548-73-2

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Quick Details
Synonyms: Disilvermonosulfide;Disilver sulfide;Silver sulfide;Silver(1+) sulfide; Classification: Other Inorganic Chemicals
EINECS: 244-438-2 Molecular Formula: Ag2S
Melting Point: 845 °C(lit.) Boiling Point: °Cat760mmHg
Stability: Stable. Incompatible with acids, strong oxidizing agents. Water Solubility:
Refractive index: Flash Point: °C
Purity: 99.99%,99.999% Appearance: black
HazardClass: Brand Name: Alfa
Packaging & Delivery
Packaging Detail: Vacuum package by bottle or bag
Delivery Detail:
Detailed Description

 Silver(I) Sulfide (Ag2S)

1, Physical character:

Density: 6.85-7.23 g/cm3

Melting Point: mp: 825

CAS NO.: 21548-73-2


High Purity Silver(I) Sulfide

Ag2S-04 Grade 99.99. The content of Silver(I) Sulfide is above 99.99%. The total content of Ag, Al, Cu, Fe, Mg, Ni, Pb, Sn Se, Ca & Zn is bellow 100 ppm;

Ag2S -05 Grade 99.999. The content of Silver(I) Sulfide is above 99.999%. The total content of Ag, Al, Cu, Fe, Mg, Ni, Pb, Sn Se, Ca & Zn is bellow 10 ppm;

Physical Size:

Lump, Powder


ICP-MS(All impurities are below 100ppm)

XRD(the main peak is perfectly symmetric )


It is packed with dacron film, then covered with a sealed plastic film bag or sealed in a polyethylene bottle.


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