Pefurazoate

from Wikipedia, the free encyclopedia
Structural formula
Structural formula
Basic structural formula (stereocenter is marked with an * )
General
Surname Pefurazoate
other names
  • Pent-4-enyl N -furfuryl- N -imidazol-1-ylcarbonyl DL -homoalaninat
  • Healthied
Molecular formula C 18 H 23 N 3 O 4
Brief description

brownish liquid

External identifiers / databases
CAS number 101903-30-4 (pefurazoate)
EC number 600-245-9
ECHA InfoCard 100.124.512
PubChem 93532
Wikidata Q18816387
properties
Molar mass 345.4 g mol −1
Physical state

liquid

boiling point

decomposes above 235 ° C

Vapor pressure

0.65 m Pa (23 ° C)

solubility

very sparingly soluble in water: 0.443 g l −1 (25 ° C)

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Pefurazoate is a chemical compound belonging to the imidazole group . Pefurazoate is a fungicide that was launched in 1990 by Ube Industries and Hokko Chemical Industry .

use

Pefurazoate is used as a dressing agent in rice cultivation against Fusarium moliniforme (Bakanae), Cochliobolus miyabeanus and the rice blight fungus .

Stereoisomerism

Pefurazoate is a 1: 1 mixture ( racemate ) of the enantiomers with ( S ) - (-) - and ( R ) - (+) - configuration. The ( S ) - (-) - configured isomer is said to be a lot more effective than its mirror image isomer with ( R ) - (+) - configuration.

Pefurazoate
(2 enantiomers)
(S) -pefurazoate
( S ) configuration
(R) -pefurazoate
( R ) configuration

Admission

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

literature

  • Patent EP0248086 : Imidazole derivatives, bactericides containing them and manufacturing processes. Applied on December 12, 1985 , published on March 17, 1993 , Applicants: Ube Industries, Ltd., Hokko Chemical Industry Co., Ltd, Inventors: Yohjiro Hirota, Hisao Sugiura, Nobuyuki Kuroda, Takuo Wada, Kazuyuki Tsujimoto.

Individual evidence

  1. Crop Protection Handbook 2014 . 100th edition. MeisterPro, Willoughby, Ohio 2014, pp. 456 .
  2. a b c d e f Wolfgang Krämer, Ulrich Schirmer, Peter Jeschke, Matthias Witschel: Modern Crop Protection Compounds: Herbicides, Volume 1 . Wiley-VCH, 2011, ISBN 978-3-527-32965-6 , pp. 1231 ( limited preview in Google Book search).
  3. This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  4. ^ Directorate-General for Health and Food Safety of the European Commission: Entry on pefurazoate in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 27, 2016.