Names | |
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IUPAC name
Gold(I) sulfide
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Other names
Aurous sulfide
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.013.749 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
Au2S | |
Molar mass | 425.998 g/mol |
Density | 11 g/cm3[1] |
Melting point | 240 °C (464 °F; 513 K) |
Insoluble | |
Related compounds | |
Other anions
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Copper(I) sulfide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Gold(I) sulfide is the inorganic compound with the formula Au2S. It is the principal sulfide of gold. It decomposes to gold metal and elemental sulfur, illustrating the "nobility" of gold.