Tech Serve Solutions

Gold(III) chloride hydrate

CAS 27988-77-8HAuCl4 · aqCatalysis & Inorganic

Gold(III) chloride hydrate (CAS: 27988-77-8), with the linear formula HAuCl₄ · aq, is a hydrated gold salt supplied by Tech Serve Solutions. This compound is supplied as crystals and lumps with a high purity of 99.999% on a trace metals basis. Its primary application lies in the preparation of stable, nanosized, and underivatized colloidal gold particles in solution, making it a valuable reagent in various scientific and industrial fields.

IUPAC
Auric chloride,Chloroauric acid,Hydrogen tetrachloroaurate(III) hydrate,Tetrachloroauric(III) acid
Synonyms
Auric chlorideChloroauric acidHydrogen tetrachloroaurate(III) hydrateTetrachloroauric(III) acid
Email us
Gold(III) chloride hydrate (HAuCl4 · aq) — chemical structure, CAS 27988-77-8; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisEssential ChemicalsGoldGold ComplexesGold SaltsMaterials ScienceMetal and Ceramic ScienceResearch EssentialsSalts
01 /Applications

Colloidal Gold Preparation

Gold(III) chloride hydrate is a key precursor for the synthesis of stable, nanosized colloidal gold particles in solution. These particles are crucial for applications in diagnostics, drug delivery, and sensing technologies.

Catalysis and Inorganic Synthesis

As a source of gold, this compound serves as a catalyst in various organic transformations and is employed in the synthesis of other gold complexes and inorganic materials. Its high purity ensures reproducible results in sensitive catalytic processes.

Materials Science Research

This gold salt is utilized in materials science for the development of novel gold-based nanomaterials and coatings. Its consistent assay and well-defined properties make it suitable for advanced research applications.

02 /Properties
Molecular weight339.79 (anhydrous basis)
Linear formulaHAuCl4 · aq
Assay99.999% trace metals basis
Formcrystals and lumps
Density3.9 g/mL at 25 °C
ApplicationUsed in preparation of stable nanosized and underivatized colloidal gold particles in solution.1
CompositionDegree of hydration, ~3
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Danger

Hazard statements

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H317May cause an allergic skin reaction

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentEyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)UN 3260 8 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)22-34-43
Safety statements (S)26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
27988-77-8
MDL number
MFCD00149903
PubChem substance
24855362
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Gold(III) chloride hydrate used for?

+

Gold(III) chloride hydrate is primarily used for the preparation of stable nanosized and underivatized colloidal gold particles in solution. It also finds applications in catalysis and inorganic synthesis, as well as in materials science research.

What is the CAS number and formula for Gold(III) chloride hydrate?

+

The CAS number for Gold(III) chloride hydrate is 27988-77-8. The linear formula is HAuCl₄ · aq.

What grade and purity does Tech Serve Solutions supply?

+

Tech Serve Solutions supplies Gold(III) chloride hydrate with an assay of 99.999% trace metals basis. We do not represent this product as USP, BP, or EP grade.

How should Gold(III) chloride hydrate be handled safely?

+

Gold(III) chloride hydrate is a dangerous substance. It causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302), potentially causing an allergic skin reaction (H317). Always use appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, and follow stringent laboratory safety protocols.

How is Gold(III) chloride hydrate packed and shipped?

+

Gold(III) chloride hydrate is shipped as UN 3260, Class 8, Packing Group III, indicating it is a corrosive solid, acidic, inorganic, n.o.s. Specific packaging adheres to international shipping regulations for hazardous materials.

How can I request a quote or sample?

+

To request a quote or sample of Gold(III) chloride hydrate, please contact our sales team through the website or directly via email, providing your contact details and the quantity required.

Need Gold(III) chloride hydrate in a specific grade or volume?