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Dipotassium tetracyanomercurate(II)

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Identification
Molecular formula
K2[Hg(CN)4]
CAS number
3339-66-4
IUPAC name
dipotassium;tetracyanomercury(2-)
State
State

At room temperature, Dipotassium tetracyanomercurate(II) is a solid. It is typically stable and can be easily handled in a solid state under ambient conditions.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
320.76g/mol
Molar mass
320.7590g/mol
Density
1.7000g/cm3
Appearence

Dipotassium tetracyanomercurate(II) appears as a crystalline solid, often white or pale yellow in color. It is typically odorless and retains a stable structure under standard conditions.

Comment on solubility

Solubility of Dipotassium Tetracyanomercurate(II)

Dipotassium tetracyanomercurate(II), also known as K2[Hg(CN)4], is a fascinating compound regarding its solubility characteristics. Its solubility can be influenced by various factors, and understanding these nuances can shed light on its practical applications.

General Solubility Characteristics

This compound is typically soluble in water, which is beneficial for its use in various chemical processes. Here are a few points to consider:

  • Ionization: Upon dissolution, dipotassium tetracyanomercurate(II) dissociates into its constituent ions, enhancing its solubility in aqueous solutions.
  • Complex Formation: The compound can engage in complex equilibria that can affect its overall solubility in different environments.
  • Temperature Dependence: As with many salts, the solubility of this compound may increase with rising temperatures.

Furthermore, the presence of other soluble salts or ions in the solution can lead to the phenomenon known as common ion effect, which may diminish the solubility of dipotassium tetracyanomercurate(II). This compound highlights the importance of considering both the nature of the solute and the solvent when assessing solubility. Understanding these interactions can be crucial in applications such as analytical chemistry and materials science.

Interesting facts

Dipotassium Tetracyanomercury(II)

Dipotassium tetracyanomercury(II), often abbreviated as K2[Hg(CN)4], is a fascinating compound that finds its application primarily in inorganic chemistry and material science. Here are some intriguing facts about this compound:

  • Complex Formation: The compound is a coordination complex where mercury(II) is surrounded by four cyanide ligands. This arrangement illustrates the unique capabilities of Hg to form stable complexes with cyanides.
  • Electrochemistry: Dipotassium tetracyanomercury(II) is known for its role as a redox couple in electrochemical applications, making it significant in sensors and batteries.
  • Colorimetric Reactions: Due to its chemical properties, this compound can be employed in analytical chemistry for colorimetric assays that detect various metal ions.
  • Toxicology Background: While cyanide is widely recognized for its toxicity, it’s interesting to note that in this compound, it participates in forms that can be comparatively less hazardous than free cyanide ions.
  • Industrial Usage: Its structural characteristics allow it to be used in various syntheses, especially in the production of pigments and other coordination compounds.

As with many cyanide-containing compounds, safety and handling precautions are paramount. Chemical education regarding the potential hazards, as well as the intriguing properties of dipotassium tetracyanomercury(II), fosters a deeper understanding of coordination chemistry and its applications.

Conclusion

Dipotassium tetracyanomercury(II) serves as an excellent example of how complex ions can exhibit unique properties that are invaluable in both theoretical studies and practical applications. In any chemical exploration, it stands out as a remarkable compound that blends the domains of toxicology, industrial chemistry, and electrochemistry.

Synonyms
MERCURIC POTASSIUM CYANIDE
591-89-9
Potassium cyanomercurate
Dipotassium tetracyanomercurate
Mercury potassium cyanide
Potassium tetracyanomercurate(II)
Dipotassium tetracyanomercurate(2-)
Potassium cyanocuprate I
HSDB 1267
Mercurate(2-), tetracyano-, dipotassium
Potassium tetracyanomercurate (K2Hg(CN)4)
EINECS 209-735-3
UN1626
UNII-AZ01173G23
Dipotassium tetrakis(cyano-C)mercurate(2-)
Potassium tetracyanomercurate (II)
Mercurate(2-), tetrakis(cyano-C)-, dipotassium, (T-4)-
AZ01173G23
POTASSIUM CYANOMERCURATE(II)
MERCURIC POTASSIUM CYANIDE [MI]
Mercurate (2-), tetrakis (cyano-C)-, dipotassium, (T-4)-
Mercurate(2-), tetrakis(cyano-.kappa.C)-, dipotassium, (T-4)-
MERCURY POTASSIUM CYANIDE (HGK2(CN)4)
Mercurate(2-), tetrakis(cyano-kappaC)-, dipotassium, (T-4)-
MERCURIC POTASSIUM CYANIDE, (SOLID)
MERCURIC POTASSIUM CYANIDE, [SOLID]
Dipotassium tetracyanomercurate(2)
Mercurate(2), tetracyano, dipotassium
DIPOTASSIUM TETRACYANOMERCURYDIUIDE
Dipotassium tetrakis(cyanoC)mercurate(2)
Mercurate(2-), tetracyano-, dipotassium (8CI)
Mercurate(2), tetrakis(cyanoC), dipotassium, (T4)
Mercurate (2-), tetrakis (cyano-C)-, dipotassium, (T-4)-(9CI)
dipotassium;tetracyanomercury(2-)
dipotassium tetracyanomercury
DTXSID501020747
NS00079945
Mercuric potassium cyanide [UN1626] [Poison]
Q20979792