2-chloroethyl chloroformate
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 2-chloroethyl chloroformate | |||||||||||||||
other names |
2-chloroethyl chloroformate |
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Molecular formula | C 3 H 4 Cl 2 O 2 | |||||||||||||||
Brief description |
colorless to yellowish liquid with a pungent odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 142.97 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.39 g cm −3 |
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Melting point |
−70 ° C |
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boiling point |
155.7 ° C |
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Vapor pressure |
2 hPa (20 ° C) |
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solubility |
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Refractive index |
1.446 (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-chloroethyl chloroformate is a chemical compound from the group of carboxylic acid esters .
Extraction and presentation
2-chloroethyl chloroformate can be obtained by reacting phosgene with ethylene chlorohydrin at 0 ° C.
properties
2-chloroethyl chloroformate is a flammable, difficult to ignite, not very volatile, colorless to yellowish liquid with a pungent odor that hydrolyzes in water.
nomenclature
The common name “2-chloroethyl chloroformate” is incorrect, as it is a derivative of carbonic acid , not a derivative of formic acid . It is the monochloride and at the same time the mono-2-chloroethyl ester of carbonic acid.
use
2-chloroethyl chloroformate is used for the synthesis of other chemical compounds (for example carbachol ).
safety instructions
The vapors of 2-chloroethyl chloroformate can form an explosive mixture with air ( flash point 79 ° C, ignition temperature 470 ° C).
Individual evidence
- ↑ a b c d e f g h i j k Entry on 2-chlororetyl chloroformate in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .
- ↑ James J. Mousseau: Encyclopedia of Reagents for Organic Synthesis . John Wiley & Sons, Ltd, 2001, ISBN 978-0-470-84289-8 , β-chloroethyl chloroformate.
- ↑ a b data sheet 2-chloroethyl chloroformate, 97% from Sigma-Aldrich , accessed on September 16, 2016 ( PDF ).
- ↑ a b Entry on 2-chloroethyl chloroformate in the Hazardous Substances Data Bank , accessed on September 16, 2016.
- ^ Ruben Vardanyan, Victor Hruby: Synthesis of Essential Drugs . Elsevier, 2006, ISBN 978-0-08-046212-7 , pp. 182 ( limited preview in Google Book search).