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Methylphosphonic acid

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Identification
Molecular formula
CH5O3P
CAS number
993-13-5
IUPAC name
methylphosphonic acid
State
State

At room temperature, methylphosphonic acid is a solid. It is known to be hygroscopic, meaning it can absorb moisture from the air.

Melting point (Celsius)
170.00
Melting point (Kelvin)
443.15
Boiling point (Celsius)
272.90
Boiling point (Kelvin)
546.05
General information
Molecular weight
96.05g/mol
Molar mass
96.0400g/mol
Density
1.1780g/cm3
Appearence

Methylphosphonic acid is a colorless crystalline solid. It typically comes in powdery form, and it is very soluble in water, making it appear almost transparent when dissolved.

Comment on solubility

Solubility of Methylphosphonic Acid

Methylphosphonic acid (MPA), with the chemical formula CH3PO3H, is a fascinating compound when it comes to solubility characteristics.

One of the most notable aspects of MPA is its excellent solubility in water, which can be attributed to the following factors:

  • Hydrophilic Nature: The presence of the phosphonic acid group (–PO3H2) enhances its hydrophilicity, allowing MPA to readily dissolve in polar solvents.
  • Ionization: In aqueous solutions, MPA tends to ionize, contributing to its solubility. The ionization can occur where the acidic hydrogen of the phosphonic group releases a proton, forming Methylphosphonate anion.
  • Formation of Hydrogen Bonds: MPA can engage in hydrogen bonding with water molecules, which stabilizes its dissolved state and facilitates solubility.

Because of these properties, MPA is highly soluble in water, making it a valuable compound in various chemical applications. As a rule of thumb, compounds that are ionic or polar in structure tend to be soluble in water, demonstrating MPA's alignment with this trend.

In summary, Methylphosphonic acid is a prime example of a compound with significant water solubility, which is essential for its functionality in numerous chemical processes.

Interesting facts

Interesting Facts about Methylphosphonic Acid

Methylphosphonic acid, often abbreviated as MPA, is a fascinating compound that plays a significant role in both chemical research and practical applications. Here are some engaging insights:

  • Chemical Significance: Methylphosphonic acid is an important intermediate in the synthesis of various phosphonates, which are widely used in agriculture, pharmaceuticals, and even in the production of surfactants.
  • Biodegradation Studies: This compound is particularly notable for its role in biodegradation studies, as it can be broken down by some microorganisms. This makes it a subject of interest in environmental chemistry.
  • Historical Context: Methylphosphonic acid gained attention during the Cold War due to its structural similarity to certain compounds used in chemical warfare. Its non-toxic nature and involvement in biodegradation are often cited in discussions about chemical safety.
  • Detection Techniques: Its presence can be detected in trace amounts using advanced analytical techniques like mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy, making it a compound of choice for scientists looking to analyze environmental samples.
  • Research Applications: Ongoing research is exploring its role in biochemistry and potential applications in developing anti-cancer drugs, showcasing the versatility of MPA in medicinal chemistry.

With a compelling blend of practical applications and research potential, methylphosphonic acid stands as a compound of great interest within the realms of both environmental and medicinal chemistry. As scientists continue to explore its properties, we can expect further exciting developments!

Synonyms
Methylphosphonic acid
993-13-5
Methanephosphonic acid
Phosphonic acid, methyl-
METHYL PHOSPHONIC ACID
Phosphonic acid, P-methyl-
PHOSPHONOMETHYL GROUP
CHEBI:45129
HSDB 6762
329W4YM10Z
EINECS 213-607-2
NSC 119358
NSC-119358
AI3-51156
DTXSID5047748
DIHYDROGEN METHYLPHOSPHONATE
EC 213-607-2
METHYL PHOSPHONIC ACID [HSDB]
Phosphonic acid, methyl
DTXCID9027732
213-607-2
aluminum methylphosphonate
p-methylphosphonic acid
MFCD00002137
CHEMBL122938
UNII-329W4YM10Z
methyl phosphonate
Methylphosphonicacid
VXA
Methyl-phosphonic acid
Methylphosphonic acid, 98%
BDBM50131862
NSC119358
AKOS017343694
MSK160238-100W
DB-009772
NS00021416
Methylphosphonic acid, 99.0-101.0% (T)
C20396
D95909
L000171
Methylphosphonic acid Solution in Water, 100ug/mL
Q15634110
57H