Nomenclature
CAS number: 10294-29-8
Aurous chloride.
AuCl; mol wt 232.42.
Au 84.75%, Cl 15.25%.
Description and 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.