Benfuracarb

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Structural formula
Structural formula of benfuracarb
General
Surname Benfuracarb
other names

Ethyl N - [(2,3-dihydro-2,2-dimethyl-7-benzofuranyloxy-carbonyl) methylaminothio] - N -isopropyl-beta-alaninate

Molecular formula C 20 H 30 N 2 O 5 S
Brief description

brown-red viscous liquid

External identifiers / databases
CAS number 82560-54-1
EC number 617-356-3
ECHA InfoCard 100.114.867
PubChem 54886
ChemSpider 49560
Wikidata Q817158
properties
Molar mass 410.53 g mol −1
Physical state

liquid

density

1.142 g cm −3

boiling point

110 ° C at 3 Pa

Vapor pressure

negligible

solubility

practically insoluble in water (8 mg l −1 at 20 ° C)

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 302-331-361f-410
P: 261-273-301 + 312 + 330-304 + 340 + 311-308 + 313
Toxicological data

105 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 .

Benfuracarb is an active ingredient for crop protection and an organic chemical compound from the group of carbamates and benzofurans .

Extraction and presentation

Benfuracarb can be obtained by reacting carbofuran with sulfur dichloride and then reacting with β-alanine- N - (1-methylethyl) -ethyl ester.

properties

Benfuracarb is a brown-red, viscous, very difficult to ignite liquid that is practically insoluble in water. It decomposes at a temperature above 225 ° C.

use

Benfuracarb is used as an insecticide in citrus fruits, corn, rice, sugar beet and vegetables and is effective against Chrysomelidae , Elateridae , Aphididae, among others . It works by inhibiting cholinesterase .

Admission

In EU countries such as Germany, Austria and Switzerland, no pesticides containing the active substance benfuracarb are approved.

Individual evidence

  1. a b c d e f g h i Entry on benfuracarb in the GESTIS substance database of the IFA , accessed on January 23, 2020(JavaScript required) .
  2. Entry on benfuracarb (ISO) in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on February 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
  3. Thomas A. Unger; Pesticide synthesis handbook, p. 66; ISBN 978-0815514015 .
  4. Terence Robert (ed.): Roberts, DH Hutson; Metabolic pathways of agrochemicals, Part 2, p. 10; ISBN 978-0854044993 .
  5. General Directorate Health and Food Safety of the European Commission: Entry on benfuracarb in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; Retrieved March 3, 2016.