CAS 27988-77-8 Gold(III) chloride hydrate - Catalysts / Alfa Chemistry

Synonyms

GOLD TRICHLORIDE ACID;GOLD TRICHLORIDE ACID HYDRATE;GOLD CHLORIDE HYDRATE;GOLD CHLORIDE, YELLOW;HYDROGEN TETRACHLOROAURATE;HYDROGEN TETRACHLOROAURATE(+3)N-HYDRATE;HYDROGEN TETRACHLOROAURATE(III);HYDROGEN TETRACHLOROAURATE(III) HYDRATE

Molecular Weight

339.79 (anhydrous basis)

Molecular Formula

HAuCl4 · aq

Purity

Au ≥47.8%

Density

3.9 g/mL at 25 °C

Appearance

gold-yellow crystals

Storage

Refrigerator (+4°C)

MDL Number

MFCD00149903

Symbol

GHS05, GHS07

UN Number

UN 3260 8 / PGIII

Application

Gold(III) chloride hydrate, also recognized as chloroauric acid, serves several important purposes. It is primarily utilized as a precursor in the synthesis of gold nanoparticles, which are essential in various technological and scientific applications. Additionally, it exhibits significant catalytic activity, making it valuable in catalysis-related processes. Gold(III) chloride hydrate is also employed in the microanalysis of elements such as rubidium and cesium, as well as in the determination of alkaloids. In the nuclear industry, it is used in control rods for reactors and plays a role in manufacturing components such as light filaments. Moreover, it is integral to the preparation of stable, nanosized, colloidal gold particles in solution, contributing to advancements in nanotechnology.

April 28, 2025

Efficient Catalyst for Nanoparticle Synthesis

Used Alfa Chemistry's Gold(III) chloride hydrate in our lab to create gold nanoparticles. Its catalytic efficiency was impressive, making our synthesis smooth and reliable. Excellent for microanalysis and alkaloid determination.