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CAS No.: | 559-40-0 |
---|---|
Name: | OCTAFLUOROCYCLOPENTENE |
Article Data: | 29 |
Molecular Structure: | |
Formula: | C5F8 |
Molecular Weight: | 212.042 |
Synonyms: | Cyclopentene,octafluoro- (6CI,7CI,8CI,9CI); 1,2,3,3,4,4,5,5-Octafluoro-1-cyclopentene;1,2,3,3,4,4,5,5-Octafluorocyclopentene; Flon C 1418; Fron C 1418;Octafluorocyclopentene; Perfluorocyclopentene; Zeorora ZFL 58 |
Density: | 1.64g/cm3 |
Melting Point: | -70°C |
Boiling Point: | 37.5°Cat760mmHg |
Flash Point: | °C |
Solubility: | Insoluble in water |
Hazard Symbols: | R36/37:Irritating to eyes and respiratory system.; |
Risk Codes: | R36/37; |
PSA: | 0.00000 |
LogP: | 3.05650 |
Conditions | Yield |
---|---|
With hydrogen fluoride at 350 - 450℃; under 3750.38 Torr; Temperature; Reagent/catalyst; | 93.8% |
With potassium fluoride In sulfolane at 190℃; for 15h; | 89% |
With pyridine; sulfolane; hydrogen fluoride at 140 - 170℃; Temperature; | 85% |
Conditions | Yield |
---|---|
In N,N-dimethyl acetamide at 170℃; for 6h; Autoclave; | 75.5% |
With ethanol; zinc | |
With zinc In N,N-dimethyl-formamide at 80℃; for 0.5h; Temperature; Solvent; Inert atmosphere; |
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one; potassium fluoride | 70% |
(i) CoF3, (ii) Zn, iPrOH; Multistep reaction; | |
With potassium fluoride In N,N-dimethyl-formamide |
Perfluorobicyclo<3.1.1>heptane
A
octaperfluorocyclopentene
B
Perfluoro-1,6-heptadiene
Conditions | Yield |
---|---|
at 740℃; under 1 Torr; | A 8% B 32% C 10% |
at 740℃; under 1 Torr; Title compound not separated from byproducts; | A 8 % Spectr. B 32 % Spectr. C 10 % Spectr. |
Conditions | Yield |
---|---|
at 700℃; |
polytetrafluoroethylene
1,2,3,3-tetrafluorocyclopropene
octaperfluorocyclopentene
octafluoro-1,3-pentadiene
A
octafluoro-1,4-pentadiene
B
octaperfluorocyclopentene
Conditions | Yield |
---|---|
at 400℃; under 8360 Torr; for 72h; |
decafluoro-1,2-epoxycyclohexane
A
octaperfluorocyclopentene
B
perfluoro-2-cyclohexene-1-one
Conditions | Yield |
---|---|
at 500℃; | A 3.7 g B 2.2 g |
Conditions | Yield |
---|---|
With antimony pentafluoride In liquid sulphur dioxide at -60℃; for 10h; |
1-trifluoromethyl-2,3,3,4,4,5,5-heptafluoro-cyclopentene
A
difluoro-methylene
B
octaperfluorocyclopentene
Conditions | Yield |
---|---|
at 750℃; under 0.01 Torr; Product distribution; ΔI; |