Gold(III) chloride trihydrate, also known as hydrogen tetrachloroaurate(III) trihydrate, is a golden yellow or yellow red crystal. hydrogen tetrachloroaurate(III) trihydrate is an inorganic compound and a gold catalyst. It serves as a reagent in analytical chemistry, aiding in the identification and quantification of substances. Moreover, this compound is utilized in the synthesis of diverse gold compounds. Additionally, it plays a crucial role in the electroplating process, facilitating the deposition of gold onto other metal surfaces. Furthermore, gold(III) chloride trihydrate is a component in the production of gold nanoparticles.
Commonly used as a precursor for the preparation of gold (Au) nanoparticles1,2
Hydrogen tetrachloroaurate(III) trihydrate is used for microanalysis of rubidium, cesium and in the determination of alkaloids. Usually used as a harbinger for the preparation of gold (Au) nanoparticles. It is used in the control rods of nuclear reactors and in the manufacturing of electric light filaments.
Hydrogen tetrachloroaurate(III) trihydrate is used for the preparation of gold standard solutions; graphite-furnace AAS.
The embryotoxicity of gold salt (HAuCl4 · 3H2O) is weaker than the embryotoxicities of a number of other nanoparticles used infor biomedical applications.