Skip to Content
Merck
All Photos(2)

Documents

228052

Sigma-Aldrich

Methylphosphonic dichloride

98%

Synonym(s):

Dichloromethylphosphine oxide, Methanephosphonyl chloride, Methylphosphonodichloridic acid, Methylphosphonyl chloride, Methylphosphonyl dichloride

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
CH3P(O)Cl2
CAS Number:
676-97-1
Molecular Weight:
132.91
Beilstein:
1071305
EC Number:
211-634-4
MDL number:
MFCD00002071
UNSPSC Code:
12352101
PubChem Substance ID:
24853672
NACRES:
NA.22

vapor pressure

760 mmHg ( 163 °C)

Assay

98%

form

solid

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling

bp

163 °C (lit.)

mp

35-37 °C

density

1.468 g/mL at 25 °C (lit.)

SMILES string

CP(Cl)(Cl)=O

InChI

1S/CH3Cl2OP/c1-5(2,3)4/h1H3

InChI key

SCLFRABIDYGTAZ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Undergoes condensation reactions with aminobenzenes and alcohols.

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H314,H330

Hazard Classifications

Acute Tox. 2 Inhalation - Eye Dam. 1 - Skin Corr. 1B

Supplementary Hazards

EUH014

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °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

Synthetic Communications, 23, 2273-2273 (1993)
Helvetica Chimica Acta, 75, 2520-2520 (1992)
J Rahil et al.
Biochemistry, 32(40), 10763-10772 (1993-10-12)
Four phosphonamidates were synthesized as potential beta-lactamase inhibitors. Three were methanephosphonamidates [CH3PO2-NHR/Ar, where R/Ar = 4-methoxybenzyl (3a), phenyl (3b), and m-nitrophenyl (3c)], while the fourth, PhCH2OCONHCH2PO2-NHPh (2a), also contained a beta-lactamase active site-directed amido side chain. The pH-rate profiles for
Yasuo Seto et al.
Journal of chromatography. A, 1501, 99-106 (2017-04-25)
A target analysis method for the sensitive and discriminative determination of the nerve agent hydrolysis products alkyl methylphosphonic acids as their tert-butyldimethylsilyl (TBDMS) derivatives was developed using a combination of selectable one- and two-dimensional (
Tomohide Kondo et al.
Forensic science international, 291, 23-38 (2018-08-21)
The Raman spectra of twenty-two chemical warfare agents (CWAs) were measured: eleven nerve agents and their precursor, five blister agents, three lachrymators, one choking agent, and one vomit agent, in liquid or solid state in colorless transparent vials were analyzed

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