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CAS

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356-77-4

Cyclobutane, 3-ethenyl-1,1,2,2-tetrafluoro-, also known as 3-vinyl-1,1,2,2-tetrafluorocyclobutane, is a fluorinated cyclobutane derivative with the chemical formula C6H6F4. Cyclobutane, 3-ethenyl-1,1,2,2-tetrafluoro- features a cyclobutane ring with a vinyl group (C=C) attached to the third carbon atom and four fluorine atoms replacing hydrogen atoms on the first, first, second, and second carbon atoms, respectively. It is an important intermediate in the synthesis of various fluorinated organic compounds and has potential applications in the pharmaceutical and chemical industries. Due to its unique structure and properties, it is also a subject of interest in research for its potential use as a building block in the development of new materials and compounds.

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  • 356-77-4 Structure

  • Basic information

    1. Product Name: Cyclobutane, 3-ethenyl-1,1,2,2-tetrafluoro-
    2. Synonyms: 3-vinyl-1,1,2,2-tetrafluorocyclobutane;2,2,3,3-tetrafluorocyclobutylethylene;Cyclobutane,1-ethenyl-2,2,3,3-tetrafluoro;1,1,2,2-Tetrafluor-3-vinyl-cyclobutan;1,1,2,2-Tetrafluoro-3-vinylcyclobutane;Cyclobutane,3-ethenyl-1,1,2,2-tetrafluoro;
    3. CAS NO:356-77-4
    4. Molecular Formula: C6H6F4
    5. Molecular Weight: 154.107
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 356-77-4.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: Cyclobutane, 3-ethenyl-1,1,2,2-tetrafluoro-(CAS DataBase Reference)
    10. NIST Chemistry Reference: Cyclobutane, 3-ethenyl-1,1,2,2-tetrafluoro-(356-77-4)
    11. EPA Substance Registry System: Cyclobutane, 3-ethenyl-1,1,2,2-tetrafluoro-(356-77-4)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 356-77-4(Hazardous Substances Data)

356-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 356-77-4 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 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 356-77:
(5*3)+(4*5)+(3*6)+(2*7)+(1*7)=74
74 % 10 = 4
So 356-77-4 is a valid CAS Registry Number.

356-77-4Relevant articles and documents

Three-step regioselective synthesis of 2,3-difluorohalobenzenes using tetrafluoroethylene and buta-1,3-diene as starting building blocks

Egorov, M. P.,Lipkind, M. B.,Nefedov, O. M.,Volchkov, N. V.

, p. 925 - 932 (2021/06/07)

The gas-phase copyrolysis of tetrafluoroethylene and buta-1,3-diene in a flow tube reactor at 490–510 °C gives 3,3,4,4-tetrafluorocyclohex-1-ene, which is selectively converted to 1-bromo- or 1-chloro-2,3-difluorobenzene via intermediate steps of halogenation and dehydrohalogenation.

Synthesis of fluorinated halonitrobenzenes and halonitrophenols using tetrafluoroethylene and buta-1,3-dienes as starting building blocks

Lipkind, M. B.,Nefedov, O. M.,Volchkov, N. V.

, p. 2156 - 2163 (2022/01/22)

The gas-phase copyrolysis of tetrafluoroethylene with buta-1,3-diene in a flow reactor at 495–505 °C produces 3,3,4,4-tetrafluorocyclohex-1-ene, which selectively converted to 1,2-difluorobenzene or 1-chloro-2,3-difluorobenzene. The latter can be converted to 2-chloro-3,4-difluoronitrobenzene, 2,3,4-trifluoronitrobenzene, 2,3-difluoro-6-nitrophenol, or 2-chloro-3-fluoro-4-nitrophenol via nitration, fluorodechlorination, and hydrolysis reactions.

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