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Hydrogen tetrachloroaurate(III) trihydrate

四氯金酸三水合物

Also known as: Gold(III) chloride trihydrate, Aurate(1-), tetrachloro-, hydrogen, hydrate (1:3), EINECS 240-948-4, GOLD CHLORIDE,HYDRATE, GOLD TRICHLORIDE ACID, GOLDCHLORIDE,REAGENT,ACS, Gold Chloride,Reagent, Hydrogen tetrachloroaurate(1-) hydrate (1:1:3), MFCD00149904, TETRACHLOROGOLD(III) ACID TRIHYDRATE, Tetrachloroauric (Ⅲ) Acid Trihydrate, goldacidchloride, hydrogen tetrachloroaurate(iii), Chloroauric acid

Hydrogen tetrachloroaurate(III) trihydrate (CAS 16961-25-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula AuCl4H7O3 and a molecular weight of 393.832 g/mol. It is also known as Gold(III) chloride trihydrate, Aurate(1-), tetrachloro-, hydrogen, hydrate (1:3) and EINECS 240-948-4. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16961-25-4
Jingsj CID
J-32876-6
Molecular Formula
AuCl4H7O3
Chinese Name
四氯金酸三水合物
Molecular Weight
393.832 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass391.881439
PSA27.69000
LogP2.67510

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H314 — Causes severe skin burns and eye damage
  • H317 — May cause an allergic skin reaction

Activity & Biological Data

Additional Information[1]. Ramos M, et al. Hardness and Elastic Modulus on Six-Fold Symmetry Gold Nanoparticles. Materials (Basel). 2013;6(1):198-205. Published 2013 Jan 14.

Frequently Asked Questions

What is the CAS number of Hydrogen tetrachloroaurate(III) trihydrate?

The CAS number of Hydrogen tetrachloroaurate(III) trihydrate is 16961-25-4.

What are the molecular formula and molecular weight of Hydrogen tetrachloroaurate(III) trihydrate?

Hydrogen tetrachloroaurate(III) trihydrate has molecular formula AuCl4H7O3 and molecular weight 393.832 g/mol.

Is Hydrogen tetrachloroaurate(III) trihydrate hazardous?

Hydrogen tetrachloroaurate(III) trihydrate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Hydrogen tetrachloroaurate(III) trihydrate (CAS 16961-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32876-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.