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Aminomethylphosphonic acid

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Identification
Molecular formula
C1H6NO3P
CAS number
1066-51-9
IUPAC name
phosphonomethylphosphonic acid
State
State

At room temperature, aminomethylphosphonic acid is in a solid state. It is generally found in a crystalline form and is advised to be stored in an airtight container due to its hygroscopic nature.

Melting point (Celsius)
195.20
Melting point (Kelvin)
468.35
Boiling point (Celsius)
523.15
Boiling point (Kelvin)
796.30
General information
Molecular weight
110.04g/mol
Molar mass
110.0290g/mol
Density
1.6033g/cm3
Appearence

Aminomethylphosphonic acid typically appears as a white powder. It is not hygroscopic and remains stable under standard temperature and pressure conditions. The compound is known to be odorless and can exist in crystalline form.

Comment on solubility

Solubility of Phosphonomethylphosphonic Acid

Phosphonomethylphosphonic acid, often abbreviated to PMPA, is a notable compound in the realm of chemical compounds due to its unique solubility characteristics. Its solubility behavior is significantly influenced by the following factors:

  • Polar Nature: The presence of multiple phosphonic acid groups (-PO₃H₂) in the structure renders PMPA highly polar. This leads to an enhanced ability to interact with polar solvents.
  • Water Solubility: PMPA is known to be highly soluble in water, making it suitable for various applications in aqueous environments.
  • Influence of pH: The solubility can be affected by the pH of the solution, as changes in pH can alter the ionization state of the phosphonic acid groups.
  • Complex Formation: In certain conditions, PMPA can form complexes with metal ions in solution, which may affect its overall solubility properties.

In conclusion, due to its polar nature and high affinity for water, phosphonomethylphosphonic acid exhibits exceptional solubility in aqueous media. This characteristic not only enhances its utility in various chemical processes but also underscores the importance of solubility in the practical applications of this compound.

Interesting facts

Interesting Facts About Phosphonomethylphosphonic Acid

Phosphonomethylphosphonic acid, often abbreviated as PMPA, is a fascinating compound that has captured the attention of chemists and researchers alike due to its unique properties and applications. Here are some intriguing aspects of this compound:

  • Active Ingredient: PMPA is well-known for its role as a potent herbicide. It is particularly effective against a wide array of unwanted plant species, making it valuable in agriculture.
  • Mechanism of Action: The compound functions by inhibiting the enzyme pathways that are crucial for the growth of plants, specifically affecting amino acid synthesis.
  • Environmental Impact: Researchers have highlighted its low toxicity to humans and animals, leading to discussions about its environmental benefits when compared to other more harmful herbicides.
  • Industrial Applications: Beyond its use in agriculture, PMPA has been studied extensively for potential applications in pharmaceuticals and organophosphorus chemistry.
  • Historical Significance: This compound has historical importance as it was developed during the Cold War era, initially for military applications, and later found civilian uses.
  • Research Potential: Current research is exploring its use in combination with other agents to enhance efficacy, and scientists are actively investigating the molecular mechanisms it employs at a cellular level.

In summary, phosphonomethylphosphonic acid is not just an ordinary compound; it embodies the intersection of chemistry, agriculture, and environmental science. As research continues, its potential in various fields may unveil even more promising applications.

Synonyms
Methylenediphosphonic acid
1984-15-2
MEDRONIC ACID
Phosphonic acid, methylenebis-
Acido medronico
Acide medronique
methanediphosphonic acid
Acidum medronicum
Methylene diphosphonic acid
MDP-BRACCO
Methylenebis(phosphonic acid)
methanebisphosphonic acid
methanediylbis(phosphonic acid)
Methylene-1,1-bisphosphonic acid
EINECS 217-851-0
Phosphonic acid, methylenedi-
UNII-73OS0QIN3O
73OS0QIN3O
Acide medronique [INN-French]
Acido medronico [INN-Spanish]
Acidum medronicum [INN-Latin]
DTXSID8045696
CHEBI:43945
DTXCID6025696
MEDRONIC ACID (II)
MEDRONIC ACID [II]
MEDRONIC ACID (MART.)
MEDRONIC ACID [MART.]
Acide medronique (INN-French)
Acido medronico (INN-Spanish)
Acidum medronicum (INN-Latin)
217-851-0
phosphonomethylphosphonic acid
Medronate
Methylene diphosphonate
Phosphonic acid, P,P'-methylenebis-
MFCD00002139
MLS000048571
CHEMBL180570
(Phosphonomethyl)phosphonic acid
Medronic acid (USAN)
SMR000060476
MEDRONIC ACID [USAN]
CH6O6P2
MDN
medronic-acid
Medronic acid [USAN:INN:BAN]
Medronic acid - EP
Methylene diphsphonate
methandiphosphonic acid
Opera_ID_703
Methylenebiphosphonic acid
Medronic acid (Standard)
MEDRONIC ACID [MI]
MEDRONIC ACID [INN]
SCHEMBL66716
Methylene bis-phosphonic acid
MDP, Methanediphosphonic acid
Bis(dihydroxyphosphoryl)methane
Phosphonomethyl-phosphonic acid
METHYLENEDIPHOSPHONICACID
MEDRONIC ACID [WHO-DD]
MBKDYNNUVRNNRF-UHFFFAOYSA-
BCP20495
Methylenediphosphonic acid, >=99%
Tox21_110974
BDBM50162816
STL302043
AKOS001031749
DB14078
FM25035
HY-108309R
NCGC00037856-01
NCGC00037856-02
FM177902
SY008079
CAS-1984-15-2
METHYLENE DIPHOSPHONIC ACID [VANDF]
DB-009770
HY-108309
CS-0028208
M0843
NS00026458
D04887
diethylenetriaminepentakis(methylphosphonic acid)
T72027
EN300-1179892
Q2823283
BRD-K94072573-001-09-9
Z56782384
Medronic acid, European Pharmacopoeia (EP) Reference Standard
Methylenediphosphonic acid, for molecular studies & mass spectrometry
InChI=1/CH6O6P2/c2-8(3,4)1-9(5,6)7/h1H2,(H2,2,3,4)(H2,5,6,7)
Methylenebiphosphonic acid;Methylenediphosphonic acid;Methanebisphosphonic acid