Description

Sulphurous Acid, Gold Sodium Salt is an inorganic gold complex with significant utility in specialized chemical synthesis and material science. This compound is valued for its role as a precursor in the preparation of gold nanoparticles and other advanced materials, where precise control over gold content and purity is critical. It serves key functions in research and development laboratories, as well as in industrial settings focused on catalysis, electronics, and surface coating technologies.

Application

• Precursor for Gold Nanoparticle Synthesis: Used in the controlled preparation of colloidal gold for biomedical imaging, diagnostics, and sensor applications.
• Catalysis Research: Serves as a gold source in the development of novel homogeneous and heterogeneous catalysts for organic transformations.
• Electroplating & Surface Finishing: Employed in specialized electroplating baths to deposit thin, uniform gold films on electronic components and connectors.
• Material Science & Nanocomposites: Acts as a key reagent in the fabrication of gold-doped polymers, ceramics, and other composite materials.
• Analytical Chemistry: Utilized as a standard or reagent in specific spectroscopic and electrochemical analysis methods.
• Pharmaceutical Intermediates: May be involved in the synthesis of certain gold-based therapeutic agents in research settings.

Basic Information

Product Name	Sulphurous Acid, Gold Sodium Salt
CAS No.	28600-35-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sodium Gold Sulfite; Aurous Sodium Sulfite; Gold Sodium Sulfite; Sodium Aurous Sulfite; Gold(I) Sodium Sulfite; Sodium Trisulfitoaurate(I); Sodium Sulfitoaurate(I)
EINECS	Contact for details

Quality Control

Our Sulphurous Acid, Gold Sodium Salt is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency, purity, and compliance with relevant specifications for research and industrial use. A detailed Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. Keep away from incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to standard
Assay (Gold Content)	≥ 98.0% (or as specified by grade)
Purity (HPLC)	Contact for details
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water (clear solution)

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