( E ) -1,1,1,4,4,4-hexafluoro-2-butene

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of (E) -1,1,1,4,4,4-hexafluoro-2-butene
General
Surname ( E ) -1,1,1,4,4,4-hexafluoro-2-butene
other names
  • ( E ) -1,1,1,4,4,4-hexafluorobut-2-ene
  • trans -1,1,1,4,4,4-hexafluoro-2-butene
  • R-1336mzz (E)
  • ( E ) -HFO 1336
  • HFO 1336mzzm (e)
Molecular formula C 4 H 2 F 6
Brief description

odorless gas

External identifiers / databases
CAS number 66711-86-2
EC number 811-213-0
ECHA InfoCard 100.241.450
PubChem 5708528
ChemSpider 4647246
Wikidata Q72481701
properties
Molar mass 164.05 g mol −1
Physical state

gaseous

boiling point

8.5 ° C

Vapor pressure

163.52 kPa (20 ° C)

solubility

sparingly soluble in water (0.28 g l −1 at 20 ° C)

safety instructions
GHS labeling of hazardous substances
04 - gas bottle 07 - Warning

Caution

H and P phrases H: 280-315-319-335-336
P: 261-264-271-280-302 + 352-304 + 340-305 + 351 + 338-312-321-332 + 313-337 + 313-362 + 364-403 + 233-405-410 + 403-501
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

  1. ↑ a b c d e tera.org: trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz-E)
  2. ↑ 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
  3. ↑ 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. ‌
  4. ↑ 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