Description

Potassium Gold(III) Cyanide is a highly specialized inorganic compound primarily used in advanced electroplating and surface finishing processes. Its value lies in providing a stable and soluble source of gold ions for depositing high-purity, corrosion-resistant gold coatings. This product is essential for manufacturers in the electronics, jewelry, and precision engineering sectors who require reliable and consistent gold plating solutions for critical components.

Application

• Electroplating: The primary application for depositing pure, bright, and adherent gold films onto electronic connectors, printed circuit board (PCB) edge fingers, and semiconductor lead frames.
• Jewelry Manufacturing: Used in electroforming and electroplating processes to create durable, high-quality gold finishes on jewelry items and luxury accessories.
• Decorative Finishes: Applied for gilding and providing decorative, tarnish-resistant gold surfaces on watches, eyewear, and premium consumer goods.
• Aerospace & Defense Components: Plating of critical parts where excellent electrical conductivity, corrosion resistance, and reliability under extreme conditions are required.
• Medical Device Coating: For plating components where biocompatibility, electrical performance, and long-term stability are paramount.
• Research & Development: Serves as a key precursor in chemical synthesis and materials science research for developing novel gold-based catalysts and nanomaterials.

Basic Information

Product Name	Potassium Gold(III) Cyanide
CAS No.	14263-59-3
Molecular Formula	KAu(CN)4
Molecular Weight	340.14 g/mol
Synonyms	Potassium Tetracyanoaurate(III); Potassium Auricyanide; Gold Potassium Cyanide; Potassium Cyanoaurate; Tetrapotassium Gold Cyanide; KAu(CN)4; Auric Potassium Cyanide
EINECS	238-152-7

Quality Control

Our Potassium Gold(III) Cyanide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for gold content, cyanide content, and impurity profiles. Certificates of Analysis (COA) detailing purity, assay results, and trace metal analysis are provided with every shipment to guarantee supply consistency and performance reliability for your critical plating processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and strong oxidizers. Maintain storage temperature between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to standard
Assay (Au Content)	≥ 57.5 %
Assay (K[Au(CN)4])	≥ 98.0 %
Insolubles	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.01 %
Iron (Fe)	≤ 0.005 %
Other Heavy Metals (as Pb)	≤ 0.005 %

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