D169102

Dimethyl methylphosphonate

≥98%

• Synonym(s): Dimethoxymethyl phosphine oxide, Fyrol DMMP, Methanephosphonic acid dimethyl ester, NSC 62240, Reoflam DMMP
• Linear Formula: CH₃P(O)(OCH₃)₂
• CAS Number: 756-79-6
• Molecular Weight: 124.08
• Beilstein/REAXYS Number: 878263
• EC Number: 212-052-3
• MDL number: MFCD00008349
• UNSPSC Code: 12352108
• PubChem Substance ID: 24893515
• NACRES: NA.22

Properties

• vapor pressure: <0.1 mmHg ( 20 °C)
• assay: ≥98%
• form: liquid
• reaction suitability: reaction type: C-C Bond Formation
• refractive index: n20/D 1.413 (lit.)
• bp: 181 °C (lit.)
• density: 1.145 g/mL at 25 °C (lit.)
• SMILES string: COP(C)(=O)OC
• InChI: 1S/C3H9O3P/c1-5-7(3,4)6-2/h1-3H3
• InChI key: VONWDASPFIQPDY-UHFFFAOYSA-N

Description

General description

Dimethyl methylphosphonate is a phosphorus-containing organic compound, commonly used as a flame retardant. It is also used in the preparation of β-ketophosphonates from esters.

Application

Reagent used in the conversion of esters to ketophosphonates.

Used to test SXFA-coated SAW chemical sensors for organophosphorous compound detection
Used as a chemical agent simulant for testing of protective performance of PSS membranes and functionalized sorbent membranes

Reactant for photocatalytic oxidation

Additive for synthesis of:

• Flame retardant high phosphorous containing unsaturated polyester resin
• UV-cured epoxy acrylate / microencapsulated phase change material

Safety Information

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H319,H340,H361f
• pcodes: P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Muta. 1B - Repr. 2
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: 156.2 °F - closed cup
• flash_point_c: 69 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter