Chloroauric acid

Catalog Number	ACM16903358-1
CAS	16903-35-8
Structure
Synonyms	Hydrogen tetrachloroaurate(III) solution
Molecular Weight	339.79
Molecular Formula	HAuCl4
Boiling Point	100 °C
Melting Point	30 °C
Purity	99%+
Density	3.9 g/mL at 25 °C (lit.)
Solubility	Miscible with water, alcohol, ester, ether and ketone
Appearance	Yellow liquid
Application	Chlorine acid is mainly used for alkaloid determination, electroplating gold, photography, gold powder, porcelain coloring, red glass manufacturing, special ink and treatment of tuberculosis. It can also be used as analytical reagent, such as microanalysis of rubidium (Rb) and cesium (Cs). It is used for semiconductor, electronic connector and local gold-plated of integrated circuit lead frame, also for printing circuit boards.The HCl plus the HNO2 (hydrochloric and nitric acids) are combined to produce agua regia acid, which is the only acid that can dissolve gold.
Storage	2-8 °C
MDL Number	MFCD00149903