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Propanoic acid, 2,3-difluoro-methyl ester, also known as methyl 2,3-difluoropropanoate, is an organic compound with the chemical formula C4H6F2O2. It is a colorless liquid with a molecular weight of 130.08 g/mol. This ester is derived from propanoic acid, where two fluorine atoms are substituted at the 2nd and 3rd carbon positions, and a methyl group is attached to the carboxylic acid group. It is synthesized by esterification of 2,3-difluoropropanoic acid with methanol. Propanoic acid, 2,3-difluoro-, methyl ester is used as a building block in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals due to its unique fluorinated structure, which can impart specific properties to the final products.

4447-55-6

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4447-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4447-55-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,4 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4447-55:
(6*4)+(5*4)+(4*4)+(3*7)+(2*5)+(1*5)=96
96 % 10 = 6
So 4447-55-6 is a valid CAS Registry Number.

4447-55-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,3-difluoropropionic acid methyl ester

1.2 Other means of identification

Product number -
Other names methyl difluoropropionate

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:4447-55-6 SDS

4447-55-6Downstream Products

4447-55-6Relevant academic research and scientific papers

FLUORINATION OF ACRYLATE ESTERS AND DERIVATIVES

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Paragraph 0042, (2013/03/26)

The present invention generally relates to processes for converting acrylate esters or a derivative thereof to difluoropropionic acid or a derivative thereof. This process is generally performed using fluorine gas in a hydrofluorocarbon solvent.

REACTIONS OF HALOGEN FLUORIDES XII. REACTION OF BROMINE TRIFLUORIDE WITH BROMINE-CONTAINING ESTERS. A NEW METHOD FOR THE SYNTHESIS OF FLUOROALKYL 2-FLUOROACRYLATES

Kartashov, A. V.,Chuvatkin, N. N.,Boguslavskaya, L. S.

, p. 2243 - 2248 (2007/10/02)

Being weak Lewis bases, esters reduce the reactivity of bromine trifluoride in the substitutive fluorination of organic bromine derivatives.For this reason the rate of the reaction of bromine trifluoride with bromine-containing esters depends not only on the electronic characteristics of the substituents at the reaction center but also on the basicity of the ester.As a rule, the selectivity of the reaction increases with increase in the basicity of the ester.The reaction of bromine trifluoride or chlorine monofluoride with fluoroalkyl 2,3-dibromopropionates can be used successfully for the synthesis of monomers (fluoroalkyl 2-fluoroacrylates).

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