Compound Q&A

What are the physical and chemical properties of Gold(III) chloride trihydrate (CAS: 16961-25-4)?

Answer

Gold(III) chloride trihydrate
Gold(III) chloride trihydrate is a crystalline solid with a molecular formula of AuCl3·3H2O. Its molecular weight is approximately 414.4 g/mol. It is sparingly soluble in water and ethanol. Chemically, it is highly reactive with reducing agents and can undergo hydrolysis under basic conditions. It has an orange-yellow color and is commonly used in analytical chemistry and as a precursor in gold chemistry.

About

CAS No 16961-25-4
English Name Gold(III) chloride trihydrate
Molecular Formula AuCl4H6O3
Molecular Weight 393.83 g/mol
EINECS 605-557-9
SMILES Cl[Au-](Cl)(Cl)Cl.O.O.O.[H+]
InChIKey XYYVDQWGDNRQDA-UHFFFAOYSA-K
Last Updated: 2025-09-09 08:06

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