2-chloropropene
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 2-chloropropene | |||||||||||||||
other names |
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Molecular formula | C 3 H 5 Cl | |||||||||||||||
Brief description |
colorless liquid with a pungent odor |
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properties | ||||||||||||||||
Molar mass | 76.53 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.93 g cm −3 |
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Melting point |
−135 ° C |
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boiling point |
23 ° C |
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Vapor pressure |
915 mbar (20 ° C) |
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solubility |
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Refractive index |
1.395 (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 |
2-chloropropene is a chemical compound from the group of organochlorine compounds .
Extraction and presentation
2-chloropropene can be obtained by reacting propyne with hydrogen chloride . It can also be prepared by treating with 1,2-dichloropropane alcoholic potassium hydroxide and fractionating the 1-chloropropene formed at the same time .
properties
2-chloropropene is a very volatile, colorless liquid with a pungent odor, which is practically insoluble in water. In the presence of palladium catalysts, it isomerizes to allyl chloride .
use
2-chloropropene was used in the measurement of the photoionization cross-sections of allyl and 2-propenyl radicals.
safety instructions
The vapors of 2-chloropropene can form an explosive mixture with air ( flash point <−20 ° C).
literature
- Beilstein Syst. No. 10: H, p. 198 .
Individual evidence
- ↑ a b c d e f g h i j k Entry for CAS no. 557-98-2 in the GESTIS substance database of the IFA , accessed on April 24, 2016(JavaScript required) .
- ^ William M. Haynes: CRC Handbook of Chemistry and Physics, 95th Edition . CRC Press, 2014, ISBN 978-1-4822-0867-2 , pp. 3–118 ( limited preview in Google Book search).
- ↑ Data sheet 2-chloropropenes, 98% from Sigma-Aldrich , accessed on August 11, 2014 ( PDF ).
- ↑ Satyajit Sarker, Lutfun Nahar: Chemistry for Pharmacy Students: General, Organic and Natural Product Chemistry . John Wiley & Sons, 2013, ISBN 978-1-118-68753-6 ( limited preview in Google Book Search).
- ^ Entry on 2-chloropropenes in the Hazardous Substances Data Bank , accessed on August 11, 2014.
- ^ Paul Rylander: Catalytic in Organic Syntheses 1976 . Elsevier, 2012, p. 193 ( limited preview in Google Book search).
- ↑ Jason C. Robinson, Niels E. Sveum, Daniel M. Neumark: Determination of absolute photoionization cross sections for isomers of C3H5: allyl and 2-propenyl radicals. In: Chemical Physics Letters. 383, 2004, pp. 601-605, doi : 10.1016 / j.cplett.2003.11.075 .