Description

Gold(3+) Pentapotassium Tetrasulphite is a specialized inorganic gold complex with the CAS number 67859-70-5. This compound is valued for its unique chemical properties, serving as a stable and soluble source of gold(III) in various advanced industrial processes. It is primarily sought by manufacturers and research laboratories in the electronics, catalysis, and specialty chemical synthesis sectors for its precise reactivity and purity.

Application

• Electroplating & Surface Finishing: Used in specialized gold plating baths for electronic connectors and components requiring high-purity, uniform deposits.
• Catalysis Research: Acts as a precursor or catalyst in organic synthesis and oxidation reactions due to the gold(III) ion's catalytic activity.
• Chemical Synthesis: Serves as a key reagent in the preparation of other gold-containing complexes and materials for research and development.
• Nanomaterial Production: Utilized in the controlled synthesis of gold nanoparticles and nanostructures for optical, electronic, and biomedical applications.
• Analytical Chemistry: Employed as a standard or reagent in specific analytical methods for gold detection and quantification.
• Specialty Glass & Ceramics: Can be used as a doping agent to impart specific optical or electrical properties to advanced materials.

Basic Information

Product Name	Gold(3+) Pentapotassium Tetrasulphite
CAS No.	67859-70-5
Molecular Formula	K5Au(SO3)4 or related formulation
Molecular Weight	Contact for details
Synonyms	Pentapotassium Tetrasulphitoaurate(III); Potassium Tetrasulphitoaurate; Gold Potassium Sulfite; Auric Potassium Sulfite Complex; K5[Au(SO3)4]; Gold(III) Potassium Sulfite; Tetrasulfitoauric Acid Pentapotassium Salt
EINECS	Contact for details

Quality Control

Our Gold(3+) Pentapotassium Tetrasulphite is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identification, and impurity profiles is provided with every shipment to guarantee it meets your specific application 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 easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve stability. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to gold-colored crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Au content)	≥ 98.0% (or as specified by grade)
Purity (HPLC/Titration)	Contact for details
Solubility (in Water)	Clear, complete solution at specified concentration
Heavy Metals (as Pb)	< 20 ppm
Chloride (Cl)	< 50 ppm
Sulfate (SO4)	< 100 ppm

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