Description

Potassium Tetrachloroaurate(III) Hydrate is a high-purity inorganic gold salt, serving as a critical precursor for gold-based materials and catalysts. Its primary value lies in providing a stable, soluble, and well-defined source of gold(III) ions for controlled synthesis and deposition processes. This compound is essential for researchers and manufacturers in the electronics, nanotechnology, and specialty chemical sectors.

Application

• Electroplating & Surface Finishing: As a key electrolyte component for high-purity, decorative, and functional gold plating on connectors, semiconductors, and jewelry.
• Nanomaterial Synthesis: A fundamental precursor for the controlled synthesis of gold nanoparticles (AuNPs), nanorods, and other nanostructures with specific optical and catalytic properties.
• Catalyst Preparation: Used in the preparation of homogeneous and heterogeneous gold catalysts for organic synthesis, including oxidation and carbon-carbon bond forming reactions.
• Glass & Ceramic Coloring: Imparts a rich ruby-red color (cranberry glass) to specialty glass, enamels, and ceramic glazes.
• Chemical Vapor Deposition (CVD): Serves as a gold source in CVD processes for depositing thin, conductive gold films on various substrates.
• Analytical Chemistry & Research: Used as a standard or reagent in analytical methods and fundamental research in inorganic and materials chemistry.
• Pharmaceutical Intermediates: Employed in the research and development of gold-based therapeutic agents.
• Photographic & Imaging Processes: Historically used in toning and specialized photographic techniques.

Basic Information

Product Name	Potassium Tetrachloroaurate(III) Hydrate
CAS No.	27988-75-6
Molecular Formula	KAuCl4·xH2O
Molecular Weight	Anhydrous: 377.88 g/mol
Synonyms	Potassium Tetrachloroaurate; Potassium Auric Chloride; Potassium Gold Chloride; Gold Potassium Chloride; Tetrachloroauric Acid Potassium Salt; Potassium Chloroaurate; Potassium Tetrachloroaurate(III); Potassium Tetrachloroaurate Hydrate
EINECS	Contact for details

Quality Control

Our Potassium Tetrachloroaurate(III) Hydrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profiles, and moisture content. We support compliance with relevant industry standards for research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container should be kept sealed in a dry environment to prevent moisture absorption. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to standard
Assay (KAuCl4 basis)	≥ 99.0%
Gold (Au) Content	≥ 47.0%
Insolubles in Water	≤ 0.1%
Chloride (Cl) Content	Conforms to theoretical
Iron (Fe)	≤ 50 ppm
Other Heavy Metals (as Pb)	≤ 20 ppm
Moisture (Loss on Drying)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.