Gold(I) sulfide

Gold(I) sulfide
Gold(I) sulfide unit cell
Names
IUPAC name
Gold(I) sulfide
Other names
Aurous sulfide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.749 Edit this at Wikidata
EC Number
  • 215-123-7
UNII
  • InChI=1S/2Au.S/q2*+1;-2
    Key: YVIYNOINIIHOCG-UHFFFAOYSA-N
  • [S-2].[Au+].[Au+]
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
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.

  1. ^ Perry, Dale, ed. (1995). Handbook of Inorganic Compounds. p. 184. ISBN 9780849386718.