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Dimethyl methylphosphonate Structure

Dimethyl methylphosphonate

Chemical Properties

Melting point <50°
Boiling point 181 °C(lit.)
Density  1.145 g/mL at 25 °C(lit.)
vapor pressure  <0.1 mm Hg ( 20 °C)
refractive index  n20/D 1.413(lit.)
Flash point 156 °F
solubility  Chloroform, Methanol (Slightly, Heated)
pka pKa (20°) in water: 2.37
form  Liquid
color  Clear colorless
Specific Gravity 1.16
Water Solubility  >=10 g/100 mL at 21 ºC
Merck  14,3391
BRN  878263
Stability Stability Combustible. Incompatible with strong oxidizing agents, strong bases. May soften some rubbers or plastics. Hydrolyzes slowly in contact with water.
LogP -0.61
Dissociation constant 2.37 at 20℃
CAS DataBase Reference 756-79-6(CAS DataBase Reference)
FDA UNII 20Z996230U
NIST Chemistry Reference Phosphonic acid, methyl-, dimethyl ester(756-79-6)
EPA Substance Registry System Dimethyl methylphosphonate (756-79-6)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H319-H340-H361f
Precautionary statements P201-P305+P351+P338-P308+P313
Hazard Codes  T,Xi
Risk Statements  46-36-62
Safety Statements  53-26-45
RIDADR  2810
WGK Germany  2
RTECS  SZ9120000
Hazard Note  Irritant/Toxic
TSCA  Yes
Hazardous Substances Data 756-79-6(Hazardous Substances Data)
Toxicity LD50 in rats, mice (mg/kg): 10190, >6810 orally (Rowland)
NFPA 704:
2
3 0

Dimethyl methylphosphonate Chemical Properties,Usage,Production

Dimethyl methylphosphonate synthesis