Description

Ammonium Tetrachloroaurate is a key inorganic gold compound, primarily used as a precursor for the synthesis of gold nanoparticles and other gold-based materials. Its high purity and well-defined composition make it essential for applications requiring precise control over gold deposition and crystal structure. This product is critical for researchers and manufacturers in the electronics, nanotechnology, and catalysis sectors.

Application

• Gold Nanoparticle Synthesis: A fundamental precursor for producing uniform gold nanoparticles (AuNPs) of controlled size and shape for diagnostics, sensors, and drug delivery systems.
• Electroplating & Surface Coating: Used in specialized electroplating baths to deposit thin, conductive, and corrosion-resistant gold films on electronic components and connectors.
• Catalysis Research: Serves as a gold source for preparing heterogeneous and homogeneous catalysts used in chemical synthesis and pollution control processes.
• Materials Science: A starting material for the fabrication of gold-containing glasses, ceramics, and other advanced functional materials.
• Analytical Chemistry: Employed as a standard or reagent in analytical methods for gold determination and trace analysis.
• Conductive Inks & Pastes: A component in formulations for printed electronics, where it helps create conductive pathways on flexible substrates.

Basic Information

Product Name	Ammonium Tetrachloroaurate
CAS No.	13874-04-9
Molecular Formula	H4AuCl4N
Molecular Weight	382.81 g/mol
Synonyms	Ammonium Tetrachloroaurate(III); Ammonium Chloroaurate; Ammonium Gold(III) Chloride; Ammonium Auric Chloride; Gold Ammonium Chloride; Ammonium Tetrachloroauric Acid; Tetrachloroauric Acid Ammonium Salt; Ammonium Chloroaurate(III)
EINECS	237-647-1

Quality Control

Our Ammonium Tetrachloroaurate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial 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 place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to standard
Assay (Au content)	≥ 51.0 %
Purity (HPLC)	≥ 99.0 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl) Content	Conforms to theoretical
Heavy Metals (as Pb)	≤ 50 ppm
Iron (Fe)	≤ 20 ppm

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