Description

Sodium Disulfitoaurate(I) CAS NO 130206-49-4 is an inorganic coordination compound of gold, valued for its solubility and reactivity in aqueous systems. This specialized gold complex is a critical precursor in advanced materials science and fine chemical synthesis. It is primarily utilized by research institutions and industrial manufacturers in the electronics, catalysis, and nanotechnology sectors for applications requiring precise gold deposition or controlled gold-based reactions.

Application

• Electroless Gold Plating: A key chemical bath component for depositing thin, uniform gold films on semiconductors, connectors, and printed circuit boards.
• Catalyst Synthesis: Serves as a soluble gold source for preparing supported gold nanoparticle catalysts used in oxidation and hydrogenation reactions.
• Nanomaterial Fabrication: Precursor for the controlled synthesis of gold nanoparticles, nanowires, and other nanostructures with specific morphologies.
• Surface Modification: Used to create gold-coated surfaces for sensors, biomedical devices, and specialized optical components.
• Chemical Vapor Deposition (CVD): A potential precursor for CVD processes to create high-purity gold films and coatings.
• Research & Development: Essential reagent in academic and industrial R&D for exploring new gold(I) chemistry and materials properties.

Basic Information

Product Name	Sodium Disulfitoaurate(I)
CAS No.	130206-49-4
Molecular Formula	Na3Au(SO3)2 (Typical)
Molecular Weight	Contact for details
Synonyms	Sodium Gold(I) Disulfite; Aurous Sodium Sulfite Complex; Gold Sodium Sulfite; Sodium Aurous Disulfito Complex; Disulfitoaurate(I) Sodium Salt; Na3[Au(SO3)2]; Gold Plating Salt
EINECS	Contact for details

Quality Control

Our Sodium Disulfitoaurate(I) is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive applications like electronics and catalysis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as gold content, impurity profiles, and solubility. We support compliance with relevant industry standards and can provide material tailored to specific customer requirements.

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 light-sensitive and moisture-sensitive; prolonged exposure to light, air, or humidity should be avoided to maintain stability and efficacy.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Complies
Assay (Au Content)	≥ 45.0 %
Purity (HPLC)	≥ 98.0 %
Solubility (in H2O)	Clear, colorless solution
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 100 ppm
Sulfate (SO4)	≤ 200 ppm

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