Fluorodifene

Structural formula
General
Surname	Fluorodifene
other names	2,4'-Dinitro-4- (trifluoromethyl) diphenyl ether; 2-nitro-1- (4-nitrophenoxy) -4- (trifluoromethyl) benzene; 4-nitrophenyl-α, α, α-trifluoro-2-nitro- p -tolyl ether; Preforan;
Molecular formula	C 13 H 7 F 3 N 2 O 5
Brief description	yellowish crystals
External identifiers / databases
EC number	239-474-0
ECHA InfoCard	100,035,870
PubChem	27295
Wikidata	Q15809890
properties
Molar mass	328.20 g mol −1
Physical state	firmly
density	1.59 g cm −3 (20 ° C)
Melting point	94 ° C
boiling point	> 200 ° C
solubility	practically insoluble in water
safety instructions
H and P phrases	H: 319-332-400
	P: 273-305 + 351 + 338
Toxicological data	9000 mg kg −1 ( LD 50 , rat , oral ) ; > 10000 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 .

Fluorodifen is a chemical compound from the group of diphenyl ether herbicides . The pre-emergence herbicide acts as a protoporphyrinogen oxidase inhibitor .

Admission

Plant protection products with this active ingredient are not permitted in any of the EU countries or in Switzerland.

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry on fluorodifene in the GESTIS substance database of the IFA , accessed on February 9, 2017(JavaScript required) .
↑ Directorate-General for Health and Food Safety of the European Commission: Entry on Fluorodifen in the EU pesticide database ; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 17, 2016.