Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

742392

Sigma-Aldrich

Diethyl [difluoro(trimethylsilyl)methyl]phosphonate

≥85.0% (H-NMR)

Synonym(s):

Diethyl (trimethylsilyl)difluoromethylphosphonate, [Diethoxyphosphoryl(difluoro)methyl]-trimethyl-silane

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(CH3)3SiCF2P(O)(OC2H5)2
CAS Number:
80077-72-1
Molecular Weight:
260.29
MDL number:
MFCD00192024
UNSPSC Code:
12352108
PubChem Substance ID:
329765570
NACRES:
NA.22

Assay

≥85.0% (H-NMR)

form

liquid

refractive index

n20/D 1.414 (lit.)
n20/D 1.416-1.418

bp

75 °C/0.2 mmHg (lit.)

density

1.077 g/mL at 25 °C (lit.)

suitability

conforms to structure for Proton NMR spectrum

functional group

fluoro
phosphonate

SMILES string

CCOP(=O)(OCC)C(F)(F)[Si](C)(C)C

InChI

1S/C8H19F2O3PSi/c1-6-12-14(11,13-7-2)8(9,10)15(3,4)5/h6-7H2,1-5H3

InChI key

AUYUSSHVQGGCCS-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Analysis Note

Phosphourous 31 NMR spectrum conforms to structure

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL4311
BCCM1356
BCCF5483
BCCD6747
BCBJ9586V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

(Diethylphosphinyl)difluoromethyllithium. ? Preparation and synthetic application.
Obayashi, M. et al.
Tetrahedron Letters, 23, 2323-2326 (1982)
Michael D Reily et al.
Journal of the American Chemical Society, 128(38), 12360-12361 (2006-09-21)
A new NMR chemical shift standard and pH indicator, difluorotrimethylsilanylphosphonic acid (DFTMP), is described, and the utility of this reagent is demonstrated for in situ determination of pH in complex biofluids. The pH dependence of this reagent allows accurate in
Nucleophilic difluoromethylenation of aldehydes and ketones using diethyl difluoro(trimethylsilyl)methylphosphonate.
Alexandrova, A. V. and Beier, P.
Journal of Fluorine Chemistry, 130, 493-500 (2009)

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