Thioquinox
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Thioquinox | |||||||||||||||
other names |
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Molecular formula | C 9 H 4 N 2 S 3 | |||||||||||||||
Brief description |
odorless, brown-yellow solid |
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properties | ||||||||||||||||
Molar mass | 236.34 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
1.68 g cm −3 |
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Melting point |
180 ° C |
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solubility |
practically insoluble in water |
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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 . |
Thioquinox is a chemical compound from the group of trithiocarbonates and quinoxaline derivatives that was patented by Bayer in 1959. Thiochinox is used as an acaricide , it also has a weak fungicidal effect.
The active ingredient thioquinox is not on the list of active ingredients of plant protection products permitted in the EU. There is no longer any approval in Germany, Austria or Switzerland.
Extraction and presentation
Thioquinox can be obtained from phosgene and 2,3-dimercaptoquinoxaline , or from thiophosgene and quinoxaline-2,3-dithiol .
Individual evidence
- ↑ a b c Entry on Thioquinox in the Hazardous Substances Data Bank , accessed October 21, 2013.
- ↑ a b c Entry on thioquinox in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
- ↑ a b Gy. Matolcsy, M. Nádasy, V. Andriska: Pesticide Chemistry . Elsevier, 1988, p. 441 ( limited preview in Google Book search).
- ↑ Entry on Thioquinox in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ^ Edward W. Lawless, Thomas L. Ferguson, Alfred F. Meiners: Guidelines for the disposal of small quantities of unused pesticides . EPA, 1975, pp. 37 ( limited preview in Google Book search).
- ↑ Patent US3141886 : 2,3-dimercaptoquinoxaline derivatives. Registered on December 12, 1962 , published on July 21, 1964 , applicant: Bayer AG, inventor: Gunter Unterstenhöfer, Klaus Sasse, Richard Wegler .
- ^ Directorate-General for Health and Food Safety of the European Commission: EU pesticide database ; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 18, 2016.