cis -3 heptene
| Structural formula | ||||||||||
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-hept-3-ene.svg)
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| General | ||||||||||
| Surname | cis -3 heptene | |||||||||
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| Molecular formula | C 7 H 14 | |||||||||
| Brief description |
colorless liquid with a gasoline-like odor |
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| properties | ||||||||||
| Molar mass | 98.19 g mol −1 | |||||||||
| Physical state |
liquid |
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| density |
0.70 g cm −3 |
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| Melting point |
−136.6 ° C |
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| boiling point |
95 ° C |
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| Vapor pressure |
128 hPa (37.7 ° C) |
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| solubility | ||||||||||
| Refractive index |
1.4059 (20 ° 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 | ||||||||||
cis -3-heptene is a chemical compound from the group of aliphatic , unsaturated hydrocarbons . It is isomeric to trans -3-heptene .
Occurrence
cis -3-heptene occurs in coal tar naphtha .
Extraction and presentation
cis -3-heptene can be obtained by reacting 3-heptin with hydrogen and a Lindlar catalyst .
properties
cis -3-heptene is a highly flammable, volatile, colorless liquid with a gasoline-like odor that is practically insoluble in water.
safety instructions
The vapors of cis -3-heptene can form an explosive mixture with air ( flash point −7 ° C, ignition temperature 260 ° C).
Individual evidence
- ↑ a b c d e f g h i j k Entry on cis-3-heptene in the GESTIS substance database of the IFA , accessed on May 31, 2017(JavaScript required) .
- ^ A b William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 35 ( limited preview in Google Book search).
- ↑ S. Gangolli, Royal Society of Chemistry (Great Britain): The Dictionary of Substances and Their Effects: D . Royal Society of Chemistry, 1999, ISBN 978-0-85404-818-2 , pp. 579 ( limited preview in Google Book search).
- ↑ K. Peter C. Vollhardt, Neil E. Schore: Organic Chemistry; Palgrave version Structure and Function . Palgrave Macmillan, 2014, ISBN 1-319-02035-6 , pp. 553 ( limited preview in Google Book search).