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Mercury(II) cyanide

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Identification
Molecular formula
Hg(CN)2
CAS number
592-04-1
IUPAC name
dicyanomercury
State
State

At room temperature, mercury(II) cyanide is a solid. It is a crystalline compound and exhibits the typical characteristics of ionic mercury compounds.

Melting point (Celsius)
320.00
Melting point (Kelvin)
593.15
Boiling point (Celsius)
320.00
Boiling point (Kelvin)
593.15
General information
Molecular weight
252.61g/mol
Molar mass
252.6050g/mol
Density
4.0007g/cm3
Appearence

Mercury(II) cyanide is a white orthorhombic crystalline solid. It has a pearly or shiny appearance.

Comment on solubility

Solubility of Dicyanomercury

Dicyanomercury, with the chemical formula Hg(CN)2, exhibits unique solubility characteristics that can be intriguing for chemists and researchers alike. Understanding the solubility of this compound is key to its applications and behavior in different environments.

General Solubility Behavior

Dicyanomercury tends to be:

  • Low in Water: Dicyanomercury is poorly soluble in water. This limited solubility can affect its biological interactions and environmental transport.
  • Soluble in Organic Solvents: It shows better solubility in various organic solvents, making it useful in specific chemical processes.

Factors Influencing Solubility

The solubility of dicyanomercury can be influenced by multiple factors:

  • Temperature: An increase in temperature can enhance the solubility of dicyanomercury in organic solvents.
  • pH Levels: Changes in pH may affect its dissociation and thus its solubility profile.

In summary, while dicyanomercury has a pronounced insolubility in aqueous solutions, its greater solubility in organic solvents highlights its versatility in various chemical applications. Always handle this compound with care, considering its solubility behaviors when devising experimental protocols or applications.

Interesting facts

Interesting Facts about Dicyanomercury

Dicyanomercury is a fascinating compound known for its unique properties and applications. This inorganic compound draws significant interest in both academic and industrial settings. Here are some compelling aspects:

  • Structure: Dicyanomercury contains a central mercury atom bonded to two cyano groups (–C≡N). This results in a linear structure that contributes to its interesting reactivity.
  • Uses in Research: It is widely studied due to its ability to act as a photoactive compound, making it valuable in photochemistry and material science.
  • Analytical Applications: Dicyanomercury can serve as a reagent in various analytical procedures, particularly in detecting and quantifying certain metal ions in solution.
  • Toxicity Concerns: Like many mercury compounds, dicyanomercury poses certain health risks. Its potential toxicity requires careful handling in laboratory settings.
  • Complex Formation: Dicyanomercury is notable for its capacity to form coordination complexes with transition metals, which can significantly alter the electronic properties of these metals.

In summary, dicyanomercury is not only intriguing for its structure and reactivity but also critical for advancements in analytical and material sciences. Its applications highlight the importance of understanding the nature and behavior of metal-cyanide complexes in chemistry.

Synonyms
MERCURIC CYANIDE
Dicyanomercury
592-04-1
Cyanure de mercure
Cianurina
HSDB 1209
EINECS 209-741-6
UNII-RWG7BD1032
BRN 4652800
RWG7BD1032
DTXSID3060457
DTXCID7042562
MERCURIC CYANIDE, (SOLID)
MERCURIC CYANIDE (HG(CN)2)
mercurycyanide
Mercury(II) cyanide
Mercury dicyanide
Mercury cyanide
Mercurius cyanatus
Hydrargyrum cyanatum
Hg(CN)2
Cyanure de mercure [French]
Mercury cyanide (Hg(CN)2)
MFCD00011037
UN1636
Quecksilber(II)-cyanid
Mercury(II) cyanide, 99%
SCHEMBL314257
[Hg(CN)2]
CHEBI:36573
AKOS025211684
Mercury cyanide [UN1636] [Poison]
BP-30080
Q257127
Mercury(II) cyanide, purum p.a., >=98.0% (precipitation titration)