Pyridafenthion
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Pyridafenthion | |||||||||||||||
other names |
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Molecular formula | C 14 H 17 N 2 O 4 PS | |||||||||||||||
Brief description |
white solid |
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properties | ||||||||||||||||
Molar mass | 340.34 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
1.325 g cm −3 |
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Melting point |
54.5-56 ° C |
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boiling point |
180 ° C (decomposition) |
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Vapor pressure |
0.00147 mPa (25 ° C) |
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solubility |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Pyridaphenthione is a chemical compound from the group of organophosphates and pyridazines .
Extraction and presentation
Pyridaphenthione can be obtained by reacting diethyl chlorothiophosphate with 1-phenyl-3-hydroxy-6-oxo-pyridazine .
properties
Pyridaphenthione is a white solid that is practically insoluble in water.
use
Pyridaphenthione has been used as an insecticide and acaricide . It works by inhibiting acetylcholinesterase .
Admission
The European Union did not include pyridaphenthione in the list of permitted pesticide active ingredients . In Germany, Austria and Switzerland, no pesticides with this active ingredient are permitted.
Individual evidence
- ↑ a b c d e f g Entry on pyridaphenthione in the GESTIS substance database of the IFA , accessed on July 6, 2012(JavaScript required) .
- ↑ a b c d Datasheet Pyridaphenthion from Sigma-Aldrich , accessed on May 21, 2017 ( PDF ).
- ↑ a b c d e Entry on pyridafenthion in the Pesticide Properties DataBase (PPDB) of the University of Hertfordshire , accessed July 31, 2013.
- ↑ a b Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 334 ( limited preview in Google Book search).
- ↑ Regulation (EC) No. 2076/2002 of the Commission of November 20, 2002 extending the deadline in accordance with Article 8 (2) of Council Directive 91/414 / EEC and on the non-inclusion of certain active substances in Annex I of this directive as well as the revocation of the Approvals of plant protection products with these active ingredients (PDF)
- ↑ General Directorate Health and Food Safety of the European Commission: Entry on pyridaphenthione in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 8, 2016.