Title: Gold Selenide
CAS Registry Number: 1303-62-4
Synonyms: Auric selenide
Molecular Formula: Au2Se3
Molecular Weight: 630.81
Percent Composition: Au 62.45%, Se 37.55%
Literature References: Prepd by adding an alcoholic soln of gold chloride to a soln of hydrogen selenide: Moser, Atynsky,
Monatsh. Chem. 45, 235 (1925); by passing hydrogen selenide into an aq soln of gold chloride: Uelsmann,
Ann. 116, 127 (1860); by combination of elements in solns or melts: Kulifay,
US 3026175 (1962 to Monsanto).
Properties: Black amorphous solid. d22 4.65. Dec by heat. Forms mercuric selenide when heated with mercury. Sol in aqua regia, soln of alkali sulfides.
Density: d22 4.65
Status: This monograph has been retired and is no longer subject to revision or update.