Trichloroacetyl chloride
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Trichloroacetyl chloride | |||||||||||||||
other names |
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Molecular formula | C 2 Cl 4 O | |||||||||||||||
Brief description |
volatile yellow liquid with a pungent odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 181.83 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.62 g cm −3 |
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Melting point |
−57 ° C |
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boiling point |
118 ° C (decomposition) |
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Vapor pressure |
23 h Pa (20 ° C) |
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solubility |
violently decomposes in water |
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Refractive index |
1.469-1.471 |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
Thermodynamic properties | ||||||||||||||||
ΔH f 0 |
−280.8 kJ / mol |
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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 |
Trichloroacetyl chloride is a chemical compound from the group of carboxylic acid halides . It is a colorless to yellowish liquid with a pungent odor.
Occurrence
Trichloroacetyl chloride can be formed from tetrachloroethene by reacting with ozone under UV light .
use
Trichloroacetyl chloride is used as an intermediate in the manufacture of drugs, pesticides , insecticides (e.g. Chlorpyriphos ) and other chemicals.
safety instructions
Trichloroacetyl chloride vapors can form explosive mixtures with the air at temperatures above 100 ° C ( flash point ).
See also
Web links
- Entry on Trichloroacetyl chloride in the Spectral Database for Organic Compounds (SDBS) of the National Institute of Advanced Industrial Science and Technology (AIST)
Individual evidence
- ↑ a b c d e f g h i Entry on trichloroacetyl chloride in the GESTIS substance database of the IFA , accessed on July 23, 2016(JavaScript required) .
- ↑ Entry on trichloroacetyl chloride at ChemBlink , accessed on February 25, 2011.
- ↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Standard Thermodynamic Properties of Chemical Substances, pp. 5-21.
- ↑ LfU: Handbook of Contaminated Sites and Groundwater Damage Cases: UV Oxidation in the Gas Phase (PDF; 868 kB).
- ↑ Data sheet TRICHLORO ACETYL CHLORIDE (TCAC) ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF; 68 kB) from TRANSMETAL LIMITED , accessed on April 21, 2013.