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228052

Sigma-Aldrich

Methylphosphonic dichloride

98%

Synonym(s):

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

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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

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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’.

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Synthetic Communications, 23, 2273-2273 (1993)
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 (
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
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

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