( E ) -1,1,1,4,4,4-hexafluoro-2-butene
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | ( E ) -1,1,1,4,4,4-hexafluoro-2-butene | ||||||||||||||||||
other names |
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Molecular formula | C 4 H 2 F 6 | ||||||||||||||||||
Brief description |
odorless gas |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 164.05 g mol −1 | ||||||||||||||||||
Physical state |
gaseous |
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boiling point |
8.5 ° C |
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Vapor pressure |
163.52 kPa (20 ° C) |
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solubility |
sparingly soluble in water (0.28 g l −1 at 20 ° C) |
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safety instructions | |||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
( E ) -1,1,1,4,4,4-hexafluoro-2-butene is a chemical compound from the group of fluorocarbons .
Extraction and presentation
( E ) -1,1,1,4,4,4-hexafluoro-2-butene can be prepared by adding dropwise 1,2-dichloro-1,1,4,4,4-pentafluorobutane to a mixture of distilled sulfolane and dried sodium fluoride or potassium fluoride at 190 ° C. The reaction product is continuously distilled off.
properties
( E ) -1,1,1,4,4,4-hexafluoro-2-butene is an odorless gas.
use
( E ) -1,1,1,4,4,4-hexafluoro-2-butene is used as a foaming agent , heat transfer liquid and special gas .
Individual evidence
- ↑ a b c d e tera.org: trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz-E)
- ↑ a b c SynQuest: SDS of trans-1,1,1,4,4,4-Hexafluoro-2-butene, Safety Data Sheets, CAS 66711-86-2 , accessed on January 7, 2020
- ↑ Patent DE4305163 : Process for the production of hexafluorobutene. Registered on February 19, 1993 , published on August 24, 1994 , applicant: Bayer AG, inventor: Norbert Lui, Albrecht Marhold, Dietmar Bielefeldt.
- ↑ Google Patents: WO2014022610A1 - Use of e-1,1,1,4,4,4-hexafluoro-2-butene in heat pumps - Google Patents , accessed on January 7, 2020