Dimethyl methylphosphonate

Dimethyl methylphosphonate
Names
	Preferred IUPAC name Dimethyl methylphosphonate
	Other names methylphosphonic acid dimethyl ester; dimethoxymethyl phosphine oxide; dimethyl methanephosphonate; dimethyl methyl phosphonate; Fran TF 2000; Fyron DMMP; Metaran; NSC 62240; O,O-dimethyl methylphosphonate; {[methoxy(methyl)phosphoryl]oxy}methane; Reoflam DMMP;
Identifiers
CAS Number	756-79-6 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL2924224;
ChemSpider	12418 ;
ECHA InfoCard	100.010.957
EC Number	212-052-3;
PubChem CID	12958;
UNII	20Z996230U ;
UN number	1993
CompTox Dashboard (EPA)	DTXSID0020494 ;
	InChI InChI=1S/C3H9O3P/c1-5-7(3,4)6-2/h1-3H3 Key: VONWDASPFIQPDY-UHFFFAOYSA-N ; InChI=1/C3H9O3P/c1-5-7(3,4)6-2/h1-3H3 Key: VONWDASPFIQPDY-UHFFFAOYAG;
	SMILES O=P(OC)(OC)C;
Properties
Chemical formula	C3H9O3P
Molar mass	124.076 g·mol−1
Appearance	colourless liquid
Density	1.145 g/mL at 25 °C
Melting point	−50 °C (−58 °F; 223 K)
Boiling point	181 °C (358 °F; 454 K)
Solubility in water	slowly hydrolyses
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Toxic
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H319, H340, H361f
Precautionary statements	P201, P305+P351+P338, P308+P310
Flash point	69 °C (156 °F; 342 K) closed cup
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	Oral (rat) 8,210 mg/kg; Inhalation (rat) 1h 20.13 mg/L; Dermal (rabbit) >2,000 mg/kg;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Dimethyl methylphosphonate is an organophosphorus compound with the chemical formula CH₃PO(OCH₃)₂. It is a colourless liquid, which is primarily used as a flame retardant.