Disulfoton
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Disulfoton | ||||||||||||||||||
other names |
O , O- diethyl- S- ethyl mercaptoethyl dithiophosphate |
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Molecular formula | C 8 H 19 O 2 PS 3 | ||||||||||||||||||
Brief description |
colorless liquid |
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properties | |||||||||||||||||||
Molar mass | 274.41 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
1.144 g cm −3 |
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Melting point |
<−25 ° C |
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boiling point |
132-133 ° C (2 hPa) |
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Vapor pressure |
2.4 m Pa (20 ° C) |
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solubility |
poor in water (12–250 mg · l −1 at 20 ° C) |
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safety instructions | |||||||||||||||||||
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MAK |
Switzerland: 0.1 mg m −3 |
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Disulfoton is an insecticide and belongs to the class of dithiophosphoric acid esters .
history
In a chemical accident in 1986 in Schweizerhalle , practically the entire eel population of the Rhine was killed by Disulfoton and other chemicals that got into the river. In Karlsruhe , after almost 400 km of flow, a peak concentration of 25 μg / l was measured.
use
Disulfoton is a selective insecticide and acaricide , which is particularly effective against sucking insects. It is used on cotton, tobacco , sugar beet , corn, wheat, peanut and potato fields against aphids , fringed winged birds and spider mites .
Admission
No plant protection products containing this active ingredient are permitted in the EU or Switzerland .
Individual evidence
- ↑ a b c d e f g h Entry on Disulfoton in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
- ↑ Entry on Disulfoton in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on February 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ Swiss Accident Insurance Fund (Suva): Limits - Current List of MAK and BAT Values (Search for 298-04-4 and disulfoton ), accessed on November 2, 2015.
- ↑ Walter Giger: The Rhine red, the fish dead. Fire catastrophe in Schweizerhalle 1986 - review and balance sheet , UWSF - Z Umweltchem Ökotox 19, special edition 1 (2007), doi : 10.1065 / uwsf2007.03.165 .
- ^ Extension Toxicology Network - Pesticide Information Profiles: Disulfoton .
- ^ Agency for Toxic Substances and Disease Registry (1995): Toxicological Profile for Disulfoton .
- ↑ General Directorate Health and Food Safety of the European Commission: Entry on Disulfoton in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 26, 2016.