Description

Gold(1+) Tripotassium Disulphite is a specialized inorganic gold(I) complex with the formula K3Au(SO3)2. This compound is valued for its role as a stable and soluble source of monovalent gold for advanced chemical synthesis and material science applications. It is primarily utilized by research institutions and industrial manufacturers in the fields of catalysis, electroplating, and the development of novel electronic materials.

Application

• Homogeneous Catalysis: Acts as a precursor for gold(I) catalysts in organic transformations, including alkyne hydration and carbon-heteroatom bond formation.
• Electroplating & Surface Finishing: Used in specialized gold plating baths for depositing thin, uniform gold layers on electronic components and jewelry.
• Materials Science Research: Serves as a starting material for synthesizing gold nanoparticles, clusters, and other functional nanomaterials with controlled properties.
• Chemical Vapor Deposition (CVD): Potential use as a precursor for depositing gold-containing thin films in semiconductor and optical device manufacturing.
• Analytical Reagent: Employed as a standard or reagent in analytical chemistry for gold quantification and related spectroscopic studies.

Basic Information

Product Name	Gold(1+) Tripotassium Disulphite
CAS No.	19153-99-2
Molecular Formula	K3Au(SO3)2
Molecular Weight	472.35 g/mol
Synonyms	Tripotassium Gold(I) Disulfite; Potassium Gold(I) Sulfite; Aurous Potassium Sulfite; K3Au(SO3)2; Gold Potassium Sulfite; Gold Monopotassium Sulfite Complex; Potassium Aurous Disulphite
EINECS	Contact for details

Quality Control

Our Gold(1+) Tripotassium Disulphite is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as argon or nitrogen to preserve stability.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (Au content)	≥ 41.0 %
Purity (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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