Description

Sulphurous Acid, Gold Potassium Salt is a specialized inorganic compound with the CAS registry number 28600-36-4. This gold complex is valued for its unique chemical properties, serving as a critical precursor and reagent in advanced material synthesis and specialized chemical processes. It is primarily utilized by research institutions and industrial manufacturers in the fields of precious metal chemistry, catalysis, and electronic materials.

Application

• Catalysis Research: Acts as a precursor for gold-based catalysts used in selective oxidation and other fine chemical synthesis.
• Electroplating & Surface Finishing: Used in specialized gold plating formulations for electronic components and decorative applications.
• Nanomaterial Synthesis: Serves as a gold source for the controlled synthesis of gold nanoparticles and nanostructures.
• Analytical Chemistry: Employed as a standard or reagent in specific analytical methods for gold detection and quantification.
• Photographic Industry: Historically used in certain toning and photographic processes.
• Chemical Vapor Deposition (CVD): A potential precursor for depositing thin gold films in semiconductor and coating technologies.
• Laboratory Reagent: Used in research laboratories for synthesizing other gold complexes and conducting experiments in coordination chemistry.

Basic Information

Product Name	Sulphurous Acid, Gold Potassium Salt
CAS No.	28600-36-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Potassium Gold Sulfite; Aurous Potassium Sulfite; Gold Potassium Sulfite; Potassium Aurous Sulfite; Potassium Dithionatoaurate(I); Gold(I) Potassium Sulfite Complex; KAu(SO3)
EINECS	Contact for details

Quality Control

Our Sulphurous Acid, Gold Potassium Salt is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for research and industrial applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and oxidizers. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (Au content)	≥ 47.0%
Purity (HPLC)	≥ 95.0%
Solubility	Soluble in water
Loss on Drying	≤ 2.0%

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