Gold chloride trihydrate , ≥99.9%tracemetalsbasis , 16961-25-4

Synonym(s):
Gold(III)chloride hydrochloric acid, Gold trichloride hydrochloride;Hydrogen tetrachloroaurate(III);Tetrachloroauric(III) acid;Tetrachloroauric(III) acid trihydrate 99%

CAS NO.：16961-25-4

Empirical Formula: AuCl4H3O

Molecular Weight: 357.79

MDL number: MFCD00149904

EINECS: 605-557-9

PRODUCT Properties

• Melting point: 30°C
• Density: 3.9 g/cm3 (20℃)
• storage temp.: 2-8°C
• solubility: 150g/l
• form: Solid
• color: Yellow
• Water Solubility: Soluble in water. Insoluble in ether.
• Sensitive: Light Sensitive & Hygroscopic
• Stability: Stable, but light sensitive. Very hygroscopic. Incompatible with reducing agents. Protect from moisture and light.
• InChI: InChI=1S/Au.4ClH.H2O/h;4*1H;1H2/q+3;;;;;/p-3
• InChIKey: XYYVDQWGDNRQDA-UHFFFAOYSA-K
• SMILES: [Au+3]([Cl-])([Cl-])([Cl-])[Cl-].[H+].O
• CAS DataBase Reference: 16961-25-4(CAS DataBase Reference)

Description and Uses

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

Safety

• Symbol(GHS): GHS05,GHS07,GHS08,GHS09
• Signal word: Danger
• Hazard statements: H290-H302-H314-H373-H411
• Precautionary statements: P260-P273-P280-P303+P361+P353-P305+P351+P338-P314
• Hazard Codes: C
• Risk Statements: 34-43-22
• Safety Statements: 26-27-36/37/39-45
• RIDADR: UN 3260 8/PG 2
• WGK Germany: 3
• RTECS: MD5428000
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• HS Code: 71159010
• Toxicity: mouse,LDLo,intravenous,10mg/kg (10mg/kg),Journal of Bacteriology. Vol. 40, Pg. 823, 1940.
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)