| Title:  Gold Selenide CAS Registry Number:  1303-62-4 Additional Names:  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.  |