Gold(III) Chloride CAS 13453-07-1

High-Purity Gold(III) Chloride from Aure Chemical – Your Trusted Source

Gold(III) chloride, AuCl₃, CAS No. 13453-07-1, is the most important and widely used gold(III) precursor in modern catalysis, materials science, and organometallic chemistry. Supplied by Aure Chemical as dark red to reddish-brown crystalline powder with high gold content (approximately 64–65% Au), this hygroscopic solid is highly reactive toward coordinating ligands and serves as an efficient source of Au(III) or reduced Au(I)/Au(0) species. It is the preferred starting material for preparing gold precatalysts in homogeneous catalysis (C–H activation, hydroamination, cycloisomerization), synthesizing organogold complexes, generating gold nanoparticles and colloids, and depositing gold thin films or coatings. Its exceptional Lewis acidity and oxidative properties make it indispensable for pharmaceutical intermediate synthesis, fine chemicals, nanotechnology, and advanced functional materials. Aure Chemical ensures precise Au assay, low impurity levels, and secure gold sourcing to deliver reproducible performance for laboratory and industrial applications worldwide.

Basic Information of Gold(III) Chloride

Aure Chemical supplies Gold(III) Chloride as a premium anhydrous Au(III) precursor with verified high gold content and exceptional purity for catalytic and synthetic applications.

CAS No.	13453-07-1
EC No.	236-623-1
Chemical Formula	AuCl₃
Molecular Weight	303.32 g/mol
Appearance	Dark red to reddish-brown crystalline powder
Odor	Odorless
Melting point	Decomposes before melting (~254 °C)
Boiling point	Not applicable (decomposes)
Density	approx. 4.7 g/cm³
Solubility	Highly soluble in water (hydrolyzes); soluble in HCl, acetonitrile, DMF, DMSO (forms complexes)
Nature (hazards)	Causes severe skin burns and eye damage, may cause allergic skin reaction, harmful if swallowed or inhaled, toxic to aquatic life
RIDADR	UN 3260, Corrosive solid, acidic, inorganic, n.o.s. (Gold(III) chloride), Class 8, Packing Group III
Chemical Structure

Aure Chemical offers customizable options including purity grades (99%+ Au basis), moisture-protected packaging, and specific batch sizes to suit your catalyst synthesis, nanoparticle preparation, or research requirements.

Primary Applications of Gold(III) Chloride

Gold(III) Chloride serves as a versatile Au(III) precursor, readily forming active gold species for catalytic and materials processes across multiple sectors.

1. Homogeneous Gold Catalysis
   Acts as the primary gold source for generating Au(I)/Au(III) catalysts in C–H activation, hydroamination, cycloisomerization, and alkyne hydration, offering high selectivity in pharmaceutical and fine chemical synthesis.

2. Gold Nanoparticle & Colloid Synthesis
   Enables controlled reduction to produce stable Au nanoparticles, colloids, or supported clusters for plasmonics, sensing, catalysis, and biomedical applications with tunable size and dispersion.

3. Organometallic Gold Complex Preparation
   Serves as starting material for synthesizing Au(III) and Au(I) coordination compounds with phosphines, N-heterocyclic carbenes, or other ligands in organometallic research.

4. Thin-Film & CVD Gold Deposition
   Used in solution-based or vapor-phase processes to deposit high-purity gold films, electrodes, or seed layers in microelectronics, sensors, and plasmonic devices.

5. Pharmaceutical & Natural Product Synthesis
   Facilitates Au-catalyzed transformations and provides a halide source in processes requiring controlled gold introduction for drug discovery and natural product derivatization.

6. Advanced Materials & Nanotechnology
   Supports preparation of Au-modified surfaces, nanostructures, and functional materials for catalysis, biosensing, and optoelectronics.

Why Choose Aure Chemical for Your Gold(III) Chloride Supply?

Partner with Aure Chemical for Gold(III) Chloride to benefit from premium gold reactivity, technical expertise, and stable precious metal supply for your catalytic and materials needs.

• High Gold Content Consistency
  Rigorous analytical verification ensures accurate Au assay, minimal impurities, and batch-to-batch reproducibility for reliable precursor performance.

• Secure Precious Metal Sourcing
  Transparent, responsible gold procurement with inventory buffering to provide supply stability and competitive pricing amid market fluctuations.

• Technical Application Guidance
  Dedicated specialists provide advice on dissolution, complex formation, reduction protocols, and process optimization for your specific applications.

• Full Regulatory Compliance
  Comprehensive documentation including COA, REACH, RoHS, and detailed SDS to facilitate global operations and audits.

• Sustainability & Recycling Support
  Ethical sourcing practices and gold recovery/recycling programs aligned with ESG objectives and circular economy principles.

Hazards Classification

• GHS Classification: Skin Corrosion (Category 1B); Serious Eye Damage (Category 1); Skin Sensitization (Category 1); Acute Toxicity, Oral (Category 4); Aquatic Chronic (Category 2)

• Hazard Statements: H314: Causes severe skin burns and eye damage; H317: May cause an allergic skin reaction; H302: Harmful if swallowed; H411: Toxic to aquatic life with long lasting effects

• UN Number: UN 3260

• Hazard Class: 8 (Corrosive substances)

• Packing Group: III