1,4-difluorobutane
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | 1,4-difluorobutane | ||||||||||||||||||
other names |
HFC-392qff |
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Molecular formula | C 4 H 8 F 2 | ||||||||||||||||||
Brief description |
colorless liquid |
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properties | |||||||||||||||||||
Molar mass | 94.1 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
0.977 g cm −3 |
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Melting point |
−118 ° C |
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boiling point |
77.8 ° C |
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Refractive index |
1.3433 (25 ° C) |
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safety instructions | |||||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
1,4-Difluorobutane is a chemical compound from the group of aliphatic , saturated halogenated hydrocarbons .
Extraction and presentation
1,4-Difluorobutane can be obtained by reacting 1,4-butanediol di - p- toluenesulfonate or 1,4-dichlorobutane with potassium fluoride in ethylene glycol .
properties
1,4-Difluorobutane is a colorless liquid.
literature
- Kevin Krosley, Kolbjørn Hagen, Kenneth Hedberg: Structure and conformation of 1,4-difluorobutane as determined by gas-phase electron diffraction, and by molecular mechanics and ab initio calculations. In: Journal of Molecular Structure. 352-353, 1995, p. 87, doi : 10.1016 / 0022-2860 (94) 08501-8 .
Individual evidence
- ↑ a b c d e f Fluorochem: 1,4-Difluorobutane | 372-90-7 , accessed October 31, 2018.
- ^ A b Carl L. Yaws: The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics . Gulf Professional Publishing, 2015, ISBN 978-0-12-801146-1 , pp. 52 ( limited preview in Google Book search).
- ↑ IM TEDDER, P. S FREDRICKS: A STUDY OF THE HALOGENATION OF ALIPHATIC HYDROCARBONS AND DERIVATIVES , AERONAUTICAL RESEARCH LABORATORY - OFFICE OF AEROSPACE RESEARCH UNITED STATES AIR FORCE, August 1961, accessed October 31, 2018.