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Benzenediazonium hexafluorophosphate

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Identification
Molecular formula
C6H5N2PF6
CAS number
1891-00-5
IUPAC name
benzenediazonium;hexafluorophosphate
State
State

At room temperature, benzenediazonium hexafluorophosphate is typically in a solid state. The compound is relatively stable in its solid form under standard conditions.

Melting point (Celsius)
82.00
Melting point (Kelvin)
355.15
Boiling point (Celsius)
150.00
Boiling point (Kelvin)
423.15
General information
Molecular weight
243.13g/mol
Molar mass
243.1250g/mol
Density
1.4680g/cm3
Appearence

Benzenediazonium hexafluorophosphate typically appears as a white or pale yellow crystalline solid. Its color can vary slightly depending on purity, but it generally maintains a consistent crystalline structure that is fairly powdery in nature.

Comment on solubility

Solubility of Benzenediazonium Hexafluorophosphate

Benzenediazonium hexafluorophosphate, with the chemical formula C6H5N+ + PF6-, is a fascinating compound notable for its unique solubility characteristics. The solubility of this compound can be influenced by several factors:

  • Polarity: The hexafluorophosphate anion (PF6-) is highly polar and can interact favorably with polar solvents.
  • Solvent Selection: Benzenediazonium hexafluorophosphate displays good solubility in polar aprotic solvents such as dimethyl sulfoxide (DMSO) and acetonitrile.
  • Water Interaction: Its solubility in water is limited due to the hydrophobic nature of the benzene ring; however, it can dissolve partially under certain conditions.
  • Thermal Stability: The stability of the compound in solution can be affected by temperature, which may influence its solubility.

In summary, while benzenediazonium hexafluorophosphate is generally soluble in polar solvents, its limited solubility in water underscores the significance of solvent choice for applications involving this compound. Thus, understanding the solubility dynamics is crucial for effective utilization in various chemical reactions.

Interesting facts

Interesting Facts About Benzenediazonium Hexafluorophosphate

Benzenediazonium hexafluorophosphate is a fascinating compound that plays a crucial role in modern organic chemistry. This compound is particularly noteworthy for its utility in various chemical reactions and synthetic pathways. Here are some interesting aspects:

  • Diazonium Salts: Benzenediazonium hexafluorophosphate is one of the many diazonium salts that are widely used in organic synthesis. These salts are key intermediates in the preparation of azo compounds, which are known for their vibrant colors and applications in dyes.
  • Electrophilic Substitution: The presence of a diazonium group makes this compound a strong electrophile. It readily participates in electrophilic aromatic substitution reactions, allowing for the introduction of various functional groups onto aromatic rings.
  • Stability: One of the unique features of benzenediazonium hexafluorophosphate is its enhanced stability in the presence of hexafluorophosphate anions. This stability is crucial for preserving the reactivity of diazonium salts during chemical transformations.
  • Applications: Utilized in the synthesis of azo dyes, pharmaceuticals, and polymers, benzenediazonium hexafluorophosphate showcases its versatility in various fields. Chemists leverage its unique properties to create complex molecules with specific functionalities.
  • Synthetic Routes: The synthesis of benzenediazonium hexafluorophosphate usually involves the azo coupling of aromatic amines with nitrous acid, followed by treatment with hexafluorophosphoric acid, highlighting its intricate formation pathways.

In summary, benzenediazonium hexafluorophosphate represents a significant building block in organic chemistry, showcasing the intricate interplay between stability and reactivity. Its role in synthesizing vibrant azo dyes and complex organic structures continues to inspire chemists and students alike. As you explore the world of diazonium compounds, remember that this fascinating salt is just one example of the extraordinary chemistry that awaits discovery!

Synonyms
Phenyldiazonium hexafluorophosphate
369-58-4
Benzenediazonium hexafluorophosphate
Benzenediazonium, hexafluorophosphate(1-)
benzenediazonium;hexafluorophosphate
EINECS 206-721-9
DTXSID8059899
Benzenediazonium, hexafluorophosphate(1-) (1:1)
DTXCID6039261
SCHEMBL20395693
GIDPFONPWSEBOB-UHFFFAOYSA-N
benzenediazonium hexafluorophos-phate
NS00079412