Description

Gold Potassium Iodide is a specialized inorganic salt of gold, also known as potassium tetraiodoaurate(III). This compound is valued for its precise gold content and reactivity, serving as a critical precursor in advanced material synthesis and specialized chemical processes. It is primarily utilized by manufacturers and research institutions in the electronics, nanotechnology, and fine chemical sectors for applications requiring controlled deposition or introduction of gold.

Application

• Electroplating & Surface Finishing: Used as a source of gold for specialized electroplating baths to deposit thin, uniform gold coatings on connectors, semiconductors, and precision components.
• Nanomaterial Synthesis: Acts as a key precursor for the production of gold nanoparticles (AuNPs) with controlled size and morphology for catalysis, sensing, and biomedical research.
• Chemical Vapor Deposition (CVD): Employed in CVD processes to create high-purity gold films and coatings for microelectronics and optical devices.
• Catalysis Research: Serves as a catalyst or catalyst precursor in organic synthesis and oxidation reactions within research and development laboratories.
• Specialty Glass & Ceramics: Used in the formulation of conductive inks, pastes, and specialty glass to impart specific electrical or optical properties.
• Analytical Reagent: Functions as a reagent in specific analytical chemistry procedures and testing methodologies.

Basic Information

Product Name	Gold Potassium Iodide
CAS No.	7791-29-9
Molecular Formula	KAuI4
Molecular Weight	743.67 g/mol
Synonyms	Potassium Tetraiodoaurate(III); Potassium Gold Iodide; Auric Potassium Iodide; Potassium Auric Iodide; Gold Potassium Iodide Salt; Tetrapotassium Gold Iodide; KAuI4
EINECS	232-219-1

Quality Control

Our Gold Potassium Iodide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for technical and research applications. Quality is verified through a series of analytical tests including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee compliance with your specifications.

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 light-sensitive; containers must be kept tightly sealed to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Dark brown to black crystalline powder
Identification (IR)	Conforms
Assay (KAuI4)	≥ 98.0 %
Gold (Au) Content	≥ 26.5 %
Solubility (in Water)	Clear, yellow to brown solution
Loss on Drying	≤ 2.0 %

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