Catalog Number
ACMA00016938
Product Name
Dimethyl Phosphonate
Description
Dimethyl hydrogen phosphite is a colorless liquid. (USCG, 1999);Liquid;COLOURLESS LIQUID.
IUPAC Name
dimethoxy(oxo)phosphanium
Molecular Weight
109.04g/mol
Molecular Formula
C2H7O3P;C2H6O3P+
Canonical SMILES
CO[P+](=O)OC
InChI
InChI=1S/C2H6O3P/c1-4-6(3)5-2/h1-2H3/q+1
InChI Key
YLFBFPXKTIQSSY-UHFFFAOYSA-N
Boiling Point
338 to 340 °F at 760 mm Hg (NTP, 1992);170.5 °C;170.5;171 °C
Melting Point
-60.0 °C;29 °C
Flash Point
85 °F (NTP, 1992);70 °C (Closed cup);70 °C c.c.
Density
1.2 (USCG, 1999);1.2002 g/cu cm at 20 °C;Relative density (water = 1): 1.2
Solubility
greater than or equal to 100 mg/mL at 67.1° F (NTP, 1992);Soluble in water; miscible with most organic solvents;In water, >10 g/100 mL at 20 °C;Solubility in water, g/100ml at 20 °C: >10
Color/Form
Mobile, colorless liquid
Covalently-Bonded Unit Count
1
Exact Mass
109.005456g/mol
MeSH Entry Terms
dimethyl hydrogen phosphite;dimethyl phosphite;dimethyl phosphonate;dimethylphosphite
Monoisotopic Mass
109.005456g/mol
Other Experimental
Volatility: 1.92X10+4 mg/cu m at 20 °C;Hydroxy radical reaction rate constant = 5.08X10-12 cu cm/molec-sec at 25 °C
Refractive Index
Index of refraction: 1.4036 at 20 °C/D
Vapor Density
7.9 (Air = 1)
Vapor Pressure
1 mm Hg at 77 °F ; 8 mm Hg at 122° F; 32 mm Hg at 158° F (NTP, 1992);4.52 mmHg;1.5 mm Hg at 20 °C;Vapor pressure, kPa at 20 °C: 0.135
Viscosity
1.06 centistokes at 25 °C