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)
NIST Chemistry Reference :Phosphonic acid, methyl-, dimethyl ester(756-79-6)
EPA Substance Registry System :Dimethyl methylphosphonate (756-79-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger
Precautionary statements:	P201 Obtain special instructions before use. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.