Title: Gold Monosulfide
CAS Registry Number: 1303-60-2
Additional Names: Aurous sulfide
Molecular Formula: Au2S
Molecular Weight: 426.00
Percent Composition: Au 92.47%, S 7.53%
Literature References: May be prepd from potassium gold cyanide, H2S and HCl: Hoffmann, Krüss, Ber. 20, 2361 (1887); Glemser, Sauer in Handbook of Preparative Inorganic Chemistry Vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) pp 1061-1062.
Properties: Brownish-black powder. When freshly pptd it forms a colloidal soln in water. Practically insol in water or single acids; sol in aqua regia, alkali cyanide solns.
Status: This monograph has been retired and is no longer subject to revision or update. |