Vernolate
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Vernolate | |||||||||||||||
other names |
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Molecular formula | C 10 H 21 NOS | |||||||||||||||
Brief description |
colorless liquid |
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properties | ||||||||||||||||
Molar mass | 203.34 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.95 g cm −3 (20 ° C) |
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boiling point |
150 ° C (3 kPa) |
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Vapor pressure |
1.39 Pa (25 ° C) |
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solubility |
practically insoluble in water (0.09 g l −1 at 20 ° C) |
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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 . |
Vernolate is a chemical compound from the group of thiocarbamates .
Extraction and presentation
Vernolate can be obtained by reacting phosgene with 1-propanethiol and its product with dipropylamine .
use
Is vernolate as a selective preemergence - herbicide used in peanut, tobacco and soybeans. The compound was introduced in 1954 as by Stauffer Chemical . The amount applied fell continuously in the USA.
Admission
The active ingredient is not approved for use in plant protection products in the European Union or Switzerland .
Individual evidence
- ↑ a b c d Entry on Vernolat. In: Römpp Online . Georg Thieme Verlag, accessed on March 8, 2014.
- ↑ a b c d Entry on S-Propyldipropylthiocarbamate in the GESTIS substance database of the IFA , accessed on February 9, 2017(JavaScript required) .
- ↑ Vernolat data sheet from Sigma-Aldrich , accessed on May 22, 2017 ( PDF ).
- ↑ Entry on S-propyl dipropylthiocarbamate 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 .
- ↑ Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 121 ( limited preview in Google Book search).
- ^ Directorate-General for Health and Food Safety of the European Commission: Entry on Vernolate in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 26, 2016.
- ↑ Regulation (EC) No. 2076/2002 of the Commission of November 20, 2002 (PDF) extending the deadline according to Article 8 (2) of Council Directive 91/414 / EEC and on the non-inclusion of certain active substances in Annex I of this Directive and the revocation of the approval of plant protection products with these active substances.