Trichloroacetyl chloride
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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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| 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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| 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.