Title: Gold Monochloride
CAS Registry Number: 10294-29-8
Additional Names: Aurous chloride
Molecular Formula: AuCl
Molecular Weight: 232.42
Percent Composition: Au 84.75%, Cl 15.25%
Literature References: Prepd by thermal decompn of gold trichloride: Biltz, Wein, Z. Anorg. Allg. Chem. 148, 192 (1925); Capella, Schwab, C.R. Hebd. Seances Acad. Sci. 260, 4337 (1965).
Properties: Yellowish powder. d 7.57. Dec at about 289° into gold and Cl2. Practically insol in water, but slowly dec by it, more rapidly on heating, with formation of gold trichloride and separation of metallic gold; sol in alkali cyanides. With solns of alkali bromides, metallic gold and potassium auribromide are formed.
Density: d 7.57 |