Skip to Content
Merck
All Photos(1)

Key Documents

D169102

Sigma-Aldrich

Dimethyl methylphosphonate

≥98%

Synonym(s):

Dimethoxymethyl phosphine oxide, Fyrol DMMP, Methanephosphonic acid dimethyl ester, NSC 62240, Reoflam DMMP

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CH3P(O)(OCH3)2
CAS Number:
Molecular Weight:
124.08
Beilstein:
878263
EC Number:
MDL number:
UNSPSC Code:
12352108
PubChem Substance ID:
NACRES:
NA.22

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

Looking for similar products? Visit Product Comparison Guide

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

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Muta. 1B - Repr. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

156.2 °F - closed cup

Flash Point(C)

69 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A General Procedure for the Preparation of β-Ketophosphonates
Maloney KM and Chung JYL
The Journal of Organic Chemistry, 74(19), 7574-7576 (2009)
Tetrahedron Letters, 34, 4427-4427 (1993)
Dimethyl methylphosphonate (DMMP) as an efficient flame retardant additive for the lithium-ion battery electrolytes
Xiang HF, et al.
Journal of Power Sources, 173(1), 562-564 (2007)
Tetrahedron, 49, 8541-8541 (1993)
Tetrahedron Letters, 34, 6769-6769 (1993)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service