Silver cyanide

CAS Number
506-64-9
EC Number
208-048-6
Chemical Formula
CAgN
Molecular Weight
133.89 g/mol

Description

Silver cyanide (CAS 506-64-9) is an inorganic salt used primarily as a source compound in electroplating and metal finishing processes. It serves as the active silver-bearing reagent in cyanide-based plating baths. This compound enables controlled deposition of silver onto metal substrates for various industrial needs. In electronics manufacturing, it is used to produce silver-plated contacts, connectors, and lead frames.

Consistent coating thickness and conductivity are critical for these electronic components. Decorative and functional silverware, jewelry, and flatware industries rely on these plating baths to achieve uniform finishes. The chemical helps achieve bright silver finishes that are essential for high-end consumer goods. In printed circuit board production, selective silver plating using this compound improves solderability.

It also enhances corrosion resistance on contact surfaces within complex electronic assemblies. Mining and refining operations use this chemistry in hydrometallurgical processes for silver recovery. The compound is vital for purification steps in large-scale metal extraction. It is supplied as a white to off-white crystalline powder and is available in technical grade for industrial applications.

Purity levels are typically specified at 98% or higher to meet rigorous manufacturing requirements. Packaging is offered in small quantities for laboratory use through to bulk industrial quantities. Handling requirements dictate the use of sealed, moisture-resistant containers for safety and stability. This ensures the material remains effective for all electroplating and metal finishing applications.

Other Names (Synonyms)

silver(I) cyanide|Silver cyanide (Ag(CN))|Silver(1+) cyanide|Silver cyanide (Ag2(CN)2)|Silver monocyanide

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 320 °C (decomp)
Density 3,95 g/cm 3
Appearance Silver cyanide is a white or grayish, odorless powder which darkens when exposed to light.
Color White to off-white
Form Powder
Water Solubility insoluble
Refractive Index 1.685

Trade & Regulatory

HS Code 28432900
UN Number 1684
ADR Class 6.1
Packing Group II
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany) 3

Documentation

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