Skip to main content

Phenylphosphonic acid

ADVERTISEMENT
Identification
Molecular formula
C6H5O3P
CAS number
1571-33-1
IUPAC name
phenylphosphonic acid
State
State
At room temperature, phenylphosphonic acid is typically in a solid state, appearing as a crystalline powder. The compound is stable under ambient conditions and known for its low solubility in water but is more soluble in organic solvents.
Melting point (Celsius)
163.50
Melting point (Kelvin)
436.65
Boiling point (Celsius)
300.20
Boiling point (Kelvin)
573.35
General information
Molecular weight
158.09g/mol
Molar mass
158.0920g/mol
Density
1.2939g/cm3
Appearence
Phenylphosphonic acid appears as an off-white to tan crystalline solid, which is often presented in powder form. It is hygroscopic, meaning it can absorb moisture from the air, and has a relatively stable structure under normal conditions.
Comment on solubility

Solubility of Phenylphosphonic Acid

Phenylphosphonic acid, with the chemical formula C6H7O3P, exhibits interesting solubility characteristics that can be summarized as follows:

  • Water Solubility: Phenylphosphonic acid is moderately soluble in water. This solubility is attributed to the presence of the polar hydroxyl (–OH) and phosphonic acid (–PO3H2) groups, which can interact favorably with water molecules.
  • Organic Solvents: The compound is soluble in a variety of organic solvents, including but not limited to:
    • Alcohols (such as ethanol and methanol)
    • Aromatic hydrocarbons (like benzene)
    • Dichloromethane
  • Influence of pH: The solubility of phenylphosphonic acid can also be influenced by the pH of the solution. In more acidic or basic conditions, the dissociation of the acid group can enhance solubility in aqueous solutions.
  • Temperature Dependency: As with many compounds, increasing the temperature may increase the solubility of phenylphosphonic acid in both water and organic solvents.

In summary, the solubility of phenylphosphonic acid is notably influenced by factors such as solvent type, pH, and temperature. Understanding these nuances is critical for its application in various chemical processes and formulations.

Interesting facts

Interesting Facts about Phenylphosphonic Acid

Phenylphosphonic acid is a fascinating compound that offers a wealth of unique properties and applications. As an organophosphorus compound, it is integral in various chemical reactions and processes.

Key Characteristics & Applications

  • Versatile Reactivity: Phenylphosphonic acid serves as a starting material for several organic reactions. It can be transformed into esters, amines, and various substituted phosphonic acids.
  • Role in Agriculture: This compound is used in the synthesis of certain herbicides and pesticides, showcasing its importance in agricultural chemistry.
  • Biochemical Significance: The compound's phosphorus-containing backbone is integral to various biochemical pathways, highlighting its potential in medicinal chemistry.

Special Properties

Phenylphosphonic acid is notable for its ability to form coordination complexes with metals, which can further enhance its utility in catalysis. The presence of the phenyl group in its structure also contributes to its unique hydrophobic properties, making it a subject of interest in material science.

In summary, phenylphosphonic acid is more than just a chemical; it is a bridge connecting various fields of chemistry. As one can see, its applications span from agricultural chemistry to potential medicinal uses, affirming its place in contemporary scientific research.

Synonyms
Phenylphosphonic acid
Benzenephosphonic acid
Phosphonic acid, phenyl-
Phosphonic acid, P-phenyl-
Phenyl-phosphonic acid
NSC 145
Dihydrogen phenylphosphonate
EINECS 216-388-1
UNII-BYD76T2868
BRN 2245168
DTXSID2044399
AI3-52844
NSC-145
BYD76T2868
Phosphonic acid,phenyl-
DTXCID0024399
4-16-00-01068 (Beilstein Handbook Reference)
216-388-1
qlzhniaadxejjp-uhfffaoysa-n
1571-33-1
CHEMBL179801
NSC145
PHENYL PHOSPHONIC ACID
Phenylphosphonicacid
MFCD00002136
SV7
WLN: QPQO&R
NCIStruc1_000503
NCIStruc2_000427
Phenylphosphonic acid, 98%
SCHEMBL34998
CHEBI:191118
Tox21_302060
BDBM50162814
AKOS015889842
FP75419
NCGC00255888-01
CAS-1571-33-1
DB-003761
CS-0128808
NS00015023
P0204
A10850
10.14272/QLZHNIAADXEJJP-UHFFFAOYSA-N.1
doi:10.14272/QLZHNIAADXEJJP-UHFFFAOYSA-N.1
Q26841314