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Substance Name: Methyl phosphonic acid
RN: 993-13-5
UNII: 329W4YM10Z
InChIKey: YACKEPLHDIMKIO-UHFFFAOYSA-N

Molecular Formula

  • C-H5-O3-P

Molecular Weight

  • 96.0215
 
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Names and Synonyms

Name of Substance

  • Methyl phosphonic acid
  • Methylphosphonic acid

Synonyms

  • AI3-51156
  • EC 213-607-2
  • EINECS 213-607-2
  • HSDB 6762
  • Methanephosphonic acid
  • Methylphosphonic acid
  • NSC 119358
  • UNII-329W4YM10Z

Systematic Names

  • Methylphosphonic acid
  • Phosphonic acid, methyl-

Registry Numbers

CAS Registry Number

  • 993-13-5

FDA UNII

  • 329W4YM10Z

System Generated Number

  • 0000993135

Structure Descriptors

InChI

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

InChIKey

YACKEPLHDIMKIO-UHFFFAOYSA-N

Smiles

P(C)(O)(O)=O

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 108.5 deg C   EXP
pKa Dissociation Constant 2.12 (none) 25 EXP
log P (octanol-water) -0.700 (none)   EST
Water Solubility 2.00E+04 mg/L   EXP
Vapor Pressure 2.00E-06 mm Hg 25 EST
Henry's Law Constant 1.22E-11 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.16E-13 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.