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Chemical compound From Wikipedia, the free encyclopedia
Vinyl fluoride is an organic halide with the chemical formula C2H3F. It is a colorless gas with a faint ether-like odor. It is used as the monomeric precursor to the fluoropolymer polyvinylfluoride.
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Names | |
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Preferred IUPAC name
Fluoroethene | |
Other names
Vinylfluoride, Fluoroethylene, Monofluoroethylene, Vinyl fluoride monomer, VF, R 1141, UN 1860 (inhibited) | |
Identifiers | |
3D model (JSmol) |
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1731574 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.000.757 |
EC Number |
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130238 | |
KEGG | |
PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C2H3F | |
Molar mass | 46.04 g/mol |
Appearance | Colorless gas |
Odor | faint, ethereal[1] |
Density | 0.636 g/cm3 |
Melting point | −160.5 °C (−256.9 °F; 112.6 K) |
Boiling point | −72.2 °C (−98.0 °F; 201.0 K) |
Slightly soluble | |
Vapor pressure | 25.2 atm (370.4 psi) |
Hazards | |
GHS labelling: | |
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Danger | |
H220, H280, H341, H350, H373 | |
P201, P202, P210, P260, P281, P308+P313, P314, P377, P381, P403, P405, P410+P403, P501 | |
NFPA 704 (fire diamond) | |
385 °C (725 °F; 658 K) | |
Explosive limits | 2.6 - 21.7% |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
none[1] |
REL (Recommended) |
TWA 1 ppm C 5 ppm[1] |
IDLH (Immediate danger) |
N.D.[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It was first prepared in 1901 by Frédéric Swarts, the Belgian chemist who was the first to prepare chlorofluorocarbons in 1892. Swarts used the reaction of zinc with 1,1-difluoro-2-bromoethane. It is produced industrially by two routes, one being the mercury-catalyzed reaction of acetylene and hydrogen fluoride:[2]
It is also prepared from 1,1-chlorofluoroethane:
Vinyl fluoride is classified as an IARC Group 2A carcinogen (likely to cause cancer in humans).
Its critical point is at 54.8 °C (328 K) and 5.24 MPa. Its molecular dipole moment is 1.4 Debye and heat of vaporization is 361 kJ/kg.
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