Description

Copper(I) Cyanide is an inorganic compound with the chemical formula CuCN. This material is a key precursor in the synthesis of various copper-based complexes and serves as a vital source of cyanide ions in specialized electroplating processes. It is primarily utilized by the electroplating, metallurgical, and specialty chemical synthesis industries for applications requiring precise copper and cyanide ion delivery.

Application

• Electroplating: A critical component in copper cyanide plating baths for depositing adherent, corrosion-resistant copper coatings on various substrates, including steel and zinc alloys.
• Organic Synthesis: Used as a reagent for introducing the cyanide group (-CN) or as a catalyst in specific coupling reactions and the synthesis of nitriles.
• Metallurgy: Employed in the extraction and refining processes for precious metals like gold and silver via cyanidation.
• Pigment & Dye Intermediate: Serves as a starting material in the manufacture of certain copper-based pigments and dyes.
• Chemical Vapor Deposition (CVD): Acts as a potential precursor for depositing copper-containing thin films in semiconductor and advanced material fabrication.
• Antifouling Agents: Historically used in the formulation of marine antifouling paints, though its use is now highly restricted.

Basic Information

Product Name	Copper(I) Cyanide
CAS No.	544-92-3
Molecular Formula	CuCN
Molecular Weight	89.56 g/mol
Synonyms	Cuprous Cyanide; Copper Cyanide (ous); Cyanocopper; Copper Monocyanide; Cuprocyanide; KCN-Cu; NSC 88125; CCRIS 3655
EINECS	208-883-6

Quality Control

Our Copper(I) Cyanide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product is tested against rigorous in-house specifications, which typically include assay, impurity profile analysis, and physical characteristic verification. A Certificate of Analysis (COA) detailing the results for each lot is provided to guarantee compliance with your technical requirements.

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, strong oxidizers, and moisture. Due to its property of being easily oxidized, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal stability. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Off-white to cream-colored powder
Identification (IR)	Conforms
Assay (CuCN)	≥ 98.0 %
Copper (Cu) Content	70.0 - 71.5 %
Cyanide (CN) Content	28.5 - 30.0 %
Insolubles in Dilute HCl	≤ 0.5 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO₄)	≤ 0.1 %
Iron (Fe)	≤ 0.05 %
Lead (Pb)	≤ 0.02 %
Moisture (Loss on Drying)	≤ 1.0 %

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