Halfenprox

Structural formula
General
Surname	Halfenprox
other names	2- (4-Bromodifluoromethoxyphenyl) -2-methyl-1- (3-phenoxybenzyl) methylpropane; Brofenprox; Cyprene; Sirbon;
Molecular formula	C 24 H 23 BrF 2 O 3
Brief description	colorless liquid
External identifiers / databases
EC number	601-128-5
ECHA InfoCard	100.109.809
PubChem	10140464
ChemSpider	8315975
Wikidata	Q2925959
properties
Molar mass	477.34 g mol −1
Physical state	liquid
density	1.31 g cm −3
boiling point	decomposes above 291 ° C
solubility	almost insoluble in water (0.00005 mg l −1 at 20 ° C)
safety instructions
H and P phrases	H: 301-410
	P: 273-301 + 310-501
Toxicological data	132 mg kg −1 ( LD 50 , rat , oral ) ; > 2000 mg kg −1 ( LD 50 , rabbit , transdermal ) ;
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Halfenprox is a chemical compound from the group of pyrethroid - ether ( phenol ), which in 1993 by Mitsui Chemicals was patented.

Extraction and presentation

Halfenprox can be obtained by reacting 2- (4-bromodifluoromethoxyphenyl) -2-methylpropanol and 3-chloromethyldiphenyl ether.

use

Halfenprox is used as an insecticide and acaricide .

Admission

The active ingredient Halfenprox is not approved for use in plant protection products in the European Union . In Germany, Austria and Switzerland, no pesticides with this active ingredient are permitted.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f Entry on Halfenprox in the Pesticide Properties DataBase (PPDB) of the University of Hertfordshire , accessed December 19, 2013.
↑ ^a ^b Data sheet Halfenprox at Sigma-Aldrich , accessed on May 22, 2017 ( PDF ).
↑ Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 917 ( limited preview in Google Book search).
↑ 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.
↑ General Directorate Health and Food Safety of the European Commission: Entry on Halfenprox (aka brofenprox) in the EU pesticide database ; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 18, 2016.

[PPDB-1] ↑ ^a ^b ^c ^d ^e ^f Entry on Halfenprox in the Pesticide Properties DataBase (PPDB) of the University of Hertfordshire , accessed December 19, 2013.

[Sigma-2] Data sheet Halfenprox at Sigma-Aldrich , accessed on May 22, 2017 ( PDF ).

[unger-3] Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 917 ( limited preview in Google Book search).

[4] 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.

[PSM-5] General Directorate Health and Food Safety of the European Commission: Entry on Halfenprox (aka brofenprox) in the EU pesticide database ; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 18, 2016.