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Copper(I) cyanide

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Identification
Molecular formula
CuCN
CAS number
544-92-3
IUPAC name
cuprous;cyanide
State
State

At room temperature, Copper(I) cyanide is a solid. It is typically presented in powdered or crystalline form.

Melting point (Celsius)
474.00
Melting point (Kelvin)
747.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
89.56g/mol
Molar mass
89.5630g/mol
Density
2.9200g/cm3
Appearence

Copper(I) cyanide appears as an off-white to cream-colored powder or crystalline solid. It can sometimes take on a greenish tint due to oxidation or impurities. The fine powder form enhances its surface area, potentially affecting its reactivity.

Comment on solubility

Solubility of Cuprous Cyanide

Cuprous cyanide, with the chemical formula CuCN, is known for its interesting solubility characteristics. Here’s what you need to know:

  • Solubility in Water: Cuprous cyanide is practically insoluble in water, which limits its applications in aqueous environments.
  • Solvents: It shows some degree of solubility in organic solvents like acetonitrile and dimethylformamide (DMF), making these solvents preferable for reactions involving this compound.
  • Complexation: Cuprous cyanide can form soluble complexes with certain ligands or in the presence of acids, enhancing its reactivity under specific conditions.

In summary, while cuprous cyanide's low solubility in water is a significant attribute, its behavior in organic solvents and ability to form complexes can play a critical role in its use in various chemical processes. Understanding these solubility traits is essential for chemists working with this compound.

Interesting facts

Interesting Facts About Cuprous Cyanide

Cuprous cyanide, known chemically as copper(I) cyanide, is a fascinating compound with significant industrial applications and intriguing chemical properties. Here are some key points to consider:

  • Historical Context: Cuprous cyanide has been used since the early 19th century, particularly in the fields of metallurgy and electroplating. Its ability to act as a key component in various chemical reactions has made it a compound of interest for chemists.
  • Role in Synthesis: In organic synthesis, cuprous cyanide acts as a catalyst in the formation of carbon-nitrogen bonds, which are pivotal in creating a wide array of organic compounds. This reaction is essential in pharmaceuticals and agrochemicals.
  • Applications in Industry: One of the most notable uses of cuprous cyanide is in the production of cyanide metal complexes that serve as precursors for plating metals. The compound is also utilized in electronic industries for its conductive properties.
  • Health Considerations: It’s important to note that cuprous cyanide is toxic, and appropriate safety measures must be taken when handling it. Exposure can lead to serious health issues, making it crucial for professionals to follow safety protocols strictly.

As chemists continue to explore the multifaceted uses of cuprous cyanide, they uncover new potential applications. The compound's combination of copper and cyanide allows for unique interactions with other elements, making it a subject of ongoing research and study.

In the words of a seasoned chemist, "Understanding the properties of cuprous cyanide unlocks the door to innovative chemical solutions that benefit multiple industries."

Synonyms
544-92-3
Cupricin
Copper(+1) cyanide
RCRA waste no. P029
UN1587
534K22856J
COPPER CYANIDE (OUS)
copper cyanide
copper(1+) cyanide
cuprous cyanide
cuprous cyanide [mi]
dtxcid903986
dtxsid7023986
un-1587
Copper(I) cyanide
cyanocopper
copper(1+);cyanide
CuCN
MFCD00010975
copper(I)cyanide
RCRA waste number P029
CCuN
HSDB 1438
EINECS 208-883-6
cyano copper
AI3-28745
cu(ii) cyanide
copper(1)cyanide
copper (I)cyanide
copper(I)-cyanide
UNII-534K22856J
Copper Cyanide; Copper Monocyanide; Copper(1+) Cyanide; Copper(I) Cyanide; Cupricin; Cuprous Cyanide
Copper(1) cyanide
copper-(I) cyanide
copper-(I)-cyanide
copper (1) cyanide
EC 208-883-6
Copper(I) cyanide, 99%
Copper(I) cyanide, 99.98%
DULSAGLWMRMKCQ-UHFFFAOYSA-N
AKOS009031203
Copper cyanide [UN1587] [Poison]
BP-21032
C1952
E78979
Copper(I) cyanide, purum p.a., >=99.0% (KT)
Copper (I) cyanide (dustless), wetted with 7% water