Vernolate

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Structural formula
Vernolate structural formula
General
Surname Vernolate
other names
  • S -propyl- N , N -dipropylthiocarbamate
  • Vernam
Molecular formula C 10 H 21 NOS
Brief description

colorless liquid

External identifiers / databases
CAS number 1929-77-7
EC number 217-681-7
ECHA InfoCard 100.016.075
PubChem 16003
Wikidata Q3555984
properties
Molar mass 203.34 g mol −1
Physical state

liquid

density

0.95 g cm −3 (20 ° C)

boiling point

150 ° C (3 kPa)

Vapor pressure

1.39 Pa (25 ° C)

solubility

practically insoluble in water (0.09 g l −1 at 20 ° C)

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
07 - Warning 09 - Dangerous for the environment

Caution

H and P phrases H: 302-411
P: 273
Toxicological data

1780 mg kg −1 ( LD 50ratoral )

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

Estimated application rate in the USA in 1992

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

  1. a b c d Entry on Vernolat. In: Römpp Online . Georg Thieme Verlag, accessed on March 8, 2014.
  2. a b c d Entry on S-Propyldipropylthiocarbamate in the GESTIS substance database of the IFA , accessed on February 9, 2017(JavaScript required) .
  3. Vernolat data sheet from Sigma-Aldrich , accessed on May 22, 2017 ( PDF ).
  4. 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 .
  5. Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 121 ( limited preview in Google Book search).
  6. ^ 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.
  7. 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.