Description

Potassium Dicyanoaurate is a key inorganic gold complex, primarily used as a precursor in gold plating and surface finishing applications. Its high solubility and stability in aqueous solutions make it a valuable source of gold ions for precise electrodeposition processes. This compound is essential for manufacturers in the electronics, jewelry, and specialty chemical sectors requiring high-purity gold coatings.

Application

• Electroplating & Surface Finishing: As a primary gold source in cyanide-based electroplating baths for connectors, semiconductors, and decorative items.
• Electronic Component Manufacturing: For depositing thin, conductive, and corrosion-resistant gold layers on printed circuit boards (PCBs) and microchips.
• Jewelry & Watchmaking: Used in high-quality gold plating solutions to provide a durable, bright, and tarnish-resistant finish.
• Catalyst Synthesis: As a precursor for preparing supported gold nanoparticle catalysts used in chemical synthesis and pollution control.
• Medical Device Coating: For applying biocompatible gold coatings on surgical instruments and implantable devices.
• Research & Development: Serving as a standardized reagent in analytical chemistry and materials science research involving gold compounds.

Basic Information

Product Name	Potassium Dicyanoaurate
CAS No.	13967-50-5
Molecular Formula	K[Au(CN)2]
Molecular Weight	288.10 g/mol
Synonyms	Potassium Dicyanoaurate(I); Potassium Gold Cyanide; Potassium Aurous Cyanide; Gold Potassium Cyanide; Potassium Cyanoaurate; KAu(CN)2; PGC
EINECS	237-748-4

Quality Control

Our Potassium Dicyanoaurate is manufactured under strict quality management systems. Each batch undergoes comprehensive analysis to ensure it meets exacting standards for purity and metal content, critical for consistent electroplating performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming specifications for assay, impurity profiles, and physical properties.

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. Recommended storage temperature is 15-25°C. The product is sensitive to light and moisture; ensure containers are sealed after use.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to standard
Assay (as K[Au(CN)2])	≥ 99.0%
Gold (Au) Content	68.2 - 68.5 %
Potassium (K) Content	13.5 - 13.7 %
Insolubles in Water	≤ 0.05 %
Chloride (Cl)	≤ 50 ppm
Sulfate (SO4)	≤ 100 ppm
Heavy Metals (as Pb)	≤ 20 ppm
Moisture (Loss on Drying)	≤ 0.5 %

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