Description

Sodium Tetrachloroaurate is an inorganic gold(III) salt widely used as a key precursor in advanced materials synthesis. This compound is valued for its high solubility in water and polar solvents, providing a stable and convenient source of gold ions for controlled deposition and functionalization. It is essential for research and industrial applications in electronics, nanotechnology, and catalysis, where precise gold integration is required.

Application

• Electroplating & Surface Finishing: A critical source of gold ions for high-purity electroplating baths used in the electronics, jewelry, and aerospace industries.
• Nanomaterial Synthesis: A key precursor for the synthesis of gold nanoparticles (AuNPs), nanorods, and other nanostructures with applications in biosensing, medical diagnostics, and catalysis.
• Catalyst Preparation: Used to prepare supported gold catalysts for chemical processes, including selective oxidation reactions and environmental remediation.
• Conductive Inks & Pastes: Serves as a gold source in the formulation of conductive inks for printed electronics and flexible circuits.
• Glass & Ceramic Coloring: Imparts a rich ruby-red color (cranberry glass) to specialty glass and ceramic glazes.
• Analytical Chemistry & Research: Employed as a standard or reagent in analytical methods and fundamental materials science research.

Basic Information

Product Name	Sodium Tetrachloroaurate
CAS No.	15189-51-2
Molecular Formula	NaAuCl4 (commonly written as NaAuCl4·2H2O for the dihydrate)
Molecular Weight	397.80 g/mol (anhydrous)
Synonyms	Sodium Tetrachloroaurate(III); Sodium Gold(III) Chloride; Sodium Chloroaurate; Gold Sodium Chloride; Sodium Auric Chloride; Sodium Tetrachloroaurate Dihydrate; NaAuCl4
EINECS	239-223-1

Quality Control

Our Sodium Tetrachloroaurate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, with specifications tailored to meet the demands of electronics and nanotechnology applications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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). This material is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Complies
Assay (Au content)	≥ 49.0%
Purity (NaAuCl4)	≥ 99.0%
Solubility (in Water)	Clear, complete solution
Insoluble Matter	≤ 0.1%
Chloride (Cl) Content	By calculation

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