Description

Hydrogen Tetrachloroaurate(III) Trihydrate is a high-purity gold compound primarily used as a critical precursor in advanced materials synthesis and electronics manufacturing. This inorganic salt offers a reliable and soluble source of gold(III) ions for precise deposition and catalytic processes. It is essential for manufacturers and research institutions in the electronics, nanotechnology, and specialty chemical sectors seeking consistent quality for high-value applications.

Application

• Electronics Manufacturing: As a key precursor for gold electroplating baths and the production of conductive inks for printed electronics.
• Nanotechnology Research: For the synthesis of gold nanoparticles (AuNPs) with controlled size and morphology for medical diagnostics and catalysis.
• Catalysis: Serving as a catalyst or catalyst precursor in specialized organic synthesis and industrial chemical processes.
• Surface Coating & Decoration: Used in gilding, glass coloring, and the creation of decorative and functional thin films.
• Analytical Chemistry: As a standard or reagent in analytical methods for gold quantification and material characterization.
• Materials Science: In the development of novel composite materials, sensors, and optical devices.

Basic Information

Product Name	Hydrogen Tetrachloroaurate(III) Trihydrate
CAS No.	16961-25-4
Molecular Formula	HAuCl4 · 3H2O
Molecular Weight	411.85 g/mol (Anhydrous basis: 339.79 g/mol)
Synonyms	Chloroauric Acid Trihydrate; Tetrachloroauric Acid Trihydrate; Gold(III) Chloride Hydrate; Auric Chloride Hydrate; Hydrogen Tetrachloroaurate; HAuCl4 · 3H2O; Acidum Chloroauricum
EINECS	241-044-6

Quality Control

Our Hydrogen Tetrachloroaurate(III) Trihydrate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline solid
Identification (IR)	Conforms to standard
Assay (Au content)	≥ 48.0 %
Purity (HPLC)	≥ 99.0 %
Insoluble Matter	≤ 0.01 %
Chloride (Cl) Content	Conforms to theoretical

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