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Phosphonic acid, (1,1-difluoro-2,3-butadienyl)-, diethyl ester, also known as 2,3-Difluoromethylidene-1,1-bis(phosphonic acid) diethyl ester, is a colorless liquid chemical compound with the formula C6H10F2O3P2. It is an important reagent in organic and medicinal chemistry, known for its ability to form carbon-phosphorus bonds and its use as a building block for the preparation of various organic compounds.

118438-98-5

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118438-98-5 Usage

Uses

Used in Pharmaceutical and Agrochemical Industries:
Phosphonic acid, (1,1-difluoro-2,3-butadienyl)-, diethyl ester is used as an intermediate for the synthesis of pharmaceuticals and agrochemicals, contributing to the development of new drugs and pesticides.
Used in Organic Chemistry:
It serves as a building block for the preparation of various organic compounds, facilitating the creation of diverse chemical structures and molecules.
Used as a Ligand in Coordination Chemistry:
Phosphonic acid, (1,1-difluoro-2,3-butadienyl)-, diethyl ester is utilized as a ligand in coordination chemistry, playing a crucial role in the formation and stabilization of metal complexes.
Used in the Synthesis of Phosphonate Analogs of Amino Acids:
Phosphonic acid, (1,1-difluoro-2,3-butadienyl)-, diethyl ester is employed in the synthesis of phosphonate analogs of amino acids, which are important for the development of new pharmaceuticals and understanding protein structure and function.
Used in the Manufacture of High-Performance Plastics and Polymers:
Phosphonic acid, (1,1-difluoro-2,3-butadienyl)-, diethyl ester is utilized in the production of high-performance plastics and polymers, enhancing their properties and expanding their applications in various industries.

Check Digit Verification of cas no

The CAS Registry Mumber 118438-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,4,3 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 118438-98:
(8*1)+(7*1)+(6*8)+(5*4)+(4*3)+(3*8)+(2*9)+(1*8)=145
145 % 10 = 5
So 118438-98-5 is a valid CAS Registry Number.

118438-98-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-diethoxyphosphoryl-4,4-difluorobuta-1,2-diene

1.2 Other means of identification

Product number -
Other names diethyl 1,1-difluoro-2,3-butadienephosphonate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:118438-98-5 SDS

118438-98-5Downstream Products

118438-98-5Relevant articles and documents

FLUORINE IN ENZYME CHEMISTRY: PART 1. SYNTHESIS OF DIFLUOROMETHYLENEPHOSPHONATE DERIVATIVES AS PHOSPHATE MIMICS

Chambers, R. D.,Jaouhari, R.,O'Hagan, D.

, p. 275 - 284 (2007/10/02)

Diethyl difluoromethylphosphonylcadmium bromide reacts with allyl and benzyl halides in THF to give the corresponding difluoromethylenephosphonate derivatives.The reaction with allyl bromide affords a versatile synthetic intermediate which undergoes a variety of synthetic transformations and therefore becomes a key compound in the preparation of elaborated difluoromethylenephosphonates of biological significance.

Allylations of zinc Bromide as a Convenient Route to 1,1-Difluoro-3-alkenephosphonates

Burton, Donald J.,Sprague, Lee G.

, p. 613 - 617 (2007/10/02)

The reaction of zinc bromide, (EtO)2P(O)CF2ZnBr, with allylic halides was found to be catalyzed by CuBr and represents a synthetically viable and convenient route to the title phosphonates.However, the reaction could no

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