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Revision as of 13:52, 15 April 2012
Names | |
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IUPAC name Fluoroethene | |
Other names Vinylfluoride, Fluoroethylene, Monofluoroethylene, Vinyl fluoride monomer, VF, R 1141, UN 1860 (inhibited) | |
Identifiers | |
CAS Number | |
3D model (JSmol) | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.000.757 |
EC Number |
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KEGG | |
PubChem CID | |
RTECS number |
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CompTox Dashboard (EPA) | |
InChI
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SMILES
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Properties | |
Chemical formula | C2H3F |
Molar mass | 46.04 g/mol |
Appearance | Colorless gas with a faint, ethereal odor |
Density | 2 g/cm (gas)
0.91 g/cm (liquid) |
Melting point | -160.5 °C (-257 °F) |
Boiling point | -72.2 °C (-98 °F) |
Solubility in water | Slightly soluble |
Vapor pressure | 25 500 kPa |
Hazards | |
NFPA 704 (fire diamond) | 1 4 2 |
Explosive limits | 2.6 - 21.7 % |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is ?) Infobox references |
Vinyl fluoride is an organic halide with the chemical formula C2H3F. It is a colorless gas with a faint etherlike odor. It is used as the monomeric precursor to the fluoropolymer polyvinylfluoride.
Production
It was first prepared in 1901 by Frédéric Swarts, the Belgian chemist who was the first to prepare CFCs 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:
- HCCH + HF → CH2=CHF
It is also prepared from 1,1-chlorofluoroethane:
- CH3CHClF → CH2=CHF + HCl
Safety
Vinyl fluoride is classified as an IARC Group 2A carcinogen (likely to cause cancer in humans).
See also
References
- Günter Siegemund, Werner Schwertfeger, Andrew Feiring, Bruce Smart, Fred Behr, Herward Vogel, Blaine McKusick “Fluorine Compounds, Organic” Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2002. doi:10.1002/14356007.a11_349
Additional data
Its critical point is at 54.8 °C (328 K) and 5.24 MPa. Molecular dipole moment is 1.4 Debye and heat of vaporization is 361 kJ/kg.
External links
- US Occupational Safety and Health Administration data sheet
- Vinyl fluoride data sheet, EnvironmentalChemistry.com
- Vinyl fluoride data sheet, airliquide.com
- MSDS Safety data at inchem.org
- Information about its carcinogenity
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