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3,4-dichlorohexafluoro-1-butene is a synthetic chemical compound with the molecular formula C4Cl2F6. It is a colorless, volatile liquid that is insoluble in water. 3,4-dichlorohexafluoro-1-butene is characterized by the presence of two chlorine atoms at the 3rd and 4th carbon positions and six fluorine atoms attached to the remaining carbon atoms in a butene backbone. It is primarily used as an intermediate in the production of various fluoropolymers, such as polyvinylidene fluoride (PVDF), which are known for their excellent chemical resistance, thermal stability, and mechanical properties. These polymers find applications in the manufacturing of pipes, films, coatings, and other industrial products. Due to its chemical structure, 3,4-dichlorohexafluoro-1-butene is also considered a potential greenhouse gas, and its environmental impact is a subject of ongoing research.

357-21-1

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357-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 357-21-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,5 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 357-21:
(5*3)+(4*5)+(3*7)+(2*2)+(1*1)=61
61 % 10 = 1
So 357-21-1 is a valid CAS Registry Number.

357-21-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,4-dichlorohexafluoro-1-butene

1.2 Other means of identification

Product number -
Other names 3,4-dichloro-hexafluoro-but-1-ene

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:357-21-1 SDS

357-21-1Relevant academic research and scientific papers

PRODUCTION METHOD OF PERFLUOROALKADIENE COMPOUND

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Paragraph 0045-0052, (2021/01/15)

PROBLEM TO BE SOLVED: To provide a method capable of obtaining a perfluoroalkandiene compound in a high yield while reducing the generation amount of impurities which are difficult to separate. SOLUTION: The production method is a method for producing a perfluoroalkandiene compound represented by the general formula (1): CF2=CF-(CF2)n-4-CF=CF2 (1) [in the formula, n represents an integer of 4 to 20.] and comprises a reaction step of reacting a compound represented by the general formula (2): CF2X1-CFX2-(CF2)n-4-CF2-CF2X3 (2) [in the formula, n is the same as defined above; X1, X2 and X3 are the same or different, X1 and X2 represent a halogen atom, and X3 represents a chlorine atom, a bromine atom or an iodine atom, provided that both X1 and X2 are not fluorine atoms] in the presence of a nitrogen-containing compound and zinc or a zinc alloy in an organic solvent in which the reaction step includes a mixing step of sequentially mixing a solution including zinc or a zinc alloy and an organic solvent, a nitrogen-containing compound and the compound represented by the general formula (2). SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT

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