Description

Sodium Tetrachloroaurate (III) Dihydrate is a high-purity inorganic gold compound, serving as a critical precursor for gold nanoparticle synthesis and surface plating applications. Its primary value lies in providing a stable, water-soluble source of gold(III) ions for precise and reproducible material fabrication. This chemical is essential for researchers and manufacturers in the electronics, nanotechnology, and catalysis sectors who require a reliable and consistent gold source for advanced material development.

Application

• Nanoparticle Synthesis: A key precursor for the controlled synthesis of gold nanoparticles (AuNPs) with defined size and morphology for biomedical, optical, and electronic applications.
• Electroplating & Surface Coating: Used in electroplating baths to deposit thin, conductive, and corrosion-resistant gold films on electronic components, connectors, and jewelry.
• Catalysis Research: Serves as a catalyst precursor in homogeneous and heterogeneous catalytic reactions, including organic synthesis and oxidation processes.
• Materials Science: Employed in the fabrication of gold-based composites, conductive inks, and advanced functional materials.
• Analytical Chemistry: Used as a standard or reagent in analytical techniques for gold quantification and trace analysis.
• Glass & Ceramic Coloring: Acts as a source of gold for producing ruby glass and other colored ceramic glazes.

Basic Information

Product Name	Sodium Tetrachloroaurate (III) Dihydrate
CAS No.	13874-02-7
Molecular Formula	NaAuCl4 · 2H2O
Molecular Weight	397.80 g/mol (anhydrous basis)
Synonyms	Sodium Tetrachloroaurate; Sodium Gold(III) Chloride Dihydrate; Sodium Chloroaurate; Gold Sodium Chloride; Auric Sodium Chloride; Sodium Aurichloride; Sodium Tetrachloroaurate(III) Dihydrate
EINECS	Contact for details

Quality Control

Our Sodium Tetrachloroaurate (III) Dihydrate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and confirmation of identity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (Au content)	≥ 48.0 %
Purity (HPLC)	≥ 99.0 %
Water Content (KF)	8.0 - 10.0 %
Insoluble Matter	≤ 0.1 %
Chloride (as Cl)	Conforms
Sodium (as Na)	Conforms

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