Pebulate

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of pebulate
General
Surname Pebulate
other names
  • N -butyl- N -ethyl- S- propylthiocarbamate
  • S -propyl- N -ethyl- N -butylthiocarbamate
  • Tillam
  • S- propyl butyl (ethyl) thiocarbamate
Molecular formula C 10 H 21 NOS
Brief description

light yellow liquid

External identifiers / databases
CAS number 1114-71-2
EC number 214-215-4
ECHA InfoCard 100.012.924
PubChem 14215
Wikidata Q2425263
properties
Molar mass 203.34 g mol −1
Physical state

liquid

density

0.946 g cm −3 (30 ° C)

Melting point

<−78 ° C

boiling point

142 ° C (27 hPa)

Vapor pressure

0.118 hPa (25 ° C)

solubility

practically insoluble in water (0.1 g l −1 at 25 ° 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
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Pebulate is a chemical compound from the group of thiocarbamates .

Extraction and presentation

Pebulate can be obtained by reacting phosgene with 1-propanethiol and its product with butylethylamine .

use

Estimated application rate in the USA in 1992

Pebulate is used as a herbicide in sugar beet, tobacco and tomato cultivation. The compound was introduced by Stauffer Chemical in 1954 as a selective pre-emergence herbicide . Pebulate works by inhibiting lipid synthesis.

The amount applied fell to zero in the USA by 2008.

Admission

No plant protection products containing this active ingredient are permitted in the EU or Switzerland .

Individual evidence

  1. ↑ a b c d e f g h i j Entry on Pebulate in the GESTIS substance database of the IFA , accessed on February 7, 2017(JavaScript required) .
  2. ↑ Entry on Pebulate 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 .
  3. ↑ Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 114 ( limited preview in Google Book search).
  4. ↑ Сельско-хозяйственный энциклопедический словарь
  5. ↑ Entry on Pebulat. In: Römpp Online . Georg Thieme Verlag, accessed on March 8, 2014.
  6. ↑ Patent US3175897A : Asymmetric thiolcarbamates as herbicides. Applied on August 21, 1962 , published March 30, 1965 , Applicant: Stauffer Chemical, Inventor: Harry Tilles, Joe Antognini. ‌
  7. ↑ Philippa B. Barrett, John L. Harwood: Effects of pebulate and pebulate sulphoxide on very long chain fatty acid biosynthesis . In: Phytochemistry . tape 48 , no. 3 , June 1998, pp. 441-446 , doi : 10.1016 / s0031-9422 (98) 00008-9 ( PDF ).
  8. ↑ General Directorate Health and Food Safety of the European Commission: Entry on Pebulate in the EU pesticide database ; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 27, 2016.
  9. ↑ 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.