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289868

Sigma-Aldrich

Methylphosphonic acid

98%

Synonym(s):

MPA

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About This Item

Linear Formula:
CH3P(O)(OH)2
CAS Number:
993-13-5
Molecular Weight:
96.02
Beilstein:
1739372
EC Number:
213-607-2
MDL number:
MFCD00002137
UNSPSC Code:
12352100
PubChem Substance ID:
24857412
NACRES:
NA.22

Assay

98%

form

solid

mp

105-107 °C (lit.)

SMILES string

CP(O)(O)=O

InChI

1S/CH5O3P/c1-5(2,3)4/h1H3,(H2,2,3,4)

InChI key

YACKEPLHDIMKIO-UHFFFAOYSA-N

Gene Information

human ... ALPP(250)

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General description

The vibrational spectra of aqueous solutions of methylphosphonic acid and its anions were studied. The supercritical water co-oxidation elementary reaction rate mechanism for methylphosphonic acid was also studied.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

>392.0 °F - Pensky-Martens closed cup

Flash Point(C)

> 200 °C - Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Vibrational analysis of methylphosphonic acid and its anions: I. Vibrational spectra.
Journal of Molecular Structure, 15(2), 225-236 (1973)
Co-oxidation of methylphosphonic acid and ethanol in supercritical water: II: Elementary reaction rate model.
Journal of Supercritical Fluids, 39(2), 239-245 (2006)
Janel Owens et al.
Journal of agricultural and food chemistry, 57(18), 8227-8235 (2009-08-19)
Though chemical warfare agents (CWAs) have been banned by the Chemical Weapons Convention, the threat that such chemicals may be used, including their deliberate addition to food, remains. In such matrixes, CWAs may hydrolyze to phosphonic acids, which are good
Edyta Proniewicz et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 103, 167-172 (2012-12-25)
Here, we report a systematic surface-enhanced Raman spectroscopy (SERS) study of the structures of five N-benzylamino(boronphenyl)-methylphosphonic acids: N-benzylamino-(3-boronphenyl)-S-methylphosphonic acid (m-PhS), N-benzylamino-(4-boronphenyl)-S-methylphosphonic acid (p-PhS), N-benzylamino-(2-boronphenyl)-R-methylphosphonic acid (o-PhR), N-benzylamino-(3-boronphenyl)-R-methyl-phosphonic acid (m-PhR), and N-benzylamino-(4-boronphenyl)-R-methylphosphonic acid (p-PhR) adsorbed on nanometer-sized colloidal particles (20-25 nm).
Chien-Hui Ma et al.
The EMBO journal, 28(12), 1745-1756 (2009-05-15)
Water, acting as a rogue nucleophile, can disrupt transesterification steps of important phosphoryl transfer reactions in DNA and RNA. We have unveiled this risk, and identified safeguards instituted against it, during strand cleavage and joining by the tyrosine site-specific recombinase
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