Fluroxypyr

4-amino- 3 ,5-dichloro -6-fluoro -2- pyridyloxyacetic acid

• 69377-81-7
• 81406-37-3 ( 1-methyl- heptyl )

White crystals

Fixed

1.09 g · cm -3

232-233 ° C

• Practically insoluble in water (91 mg · l-1 at 20 ° C)
• Soluble in methanol

• 2410 mg · kg -1 ( LD50, rat, oral)
• > 5000 mg · kg -1 ( LD50, Rabbit, transdermal)

Template: Infobox chemical / molecular formula search available

Fluroxypyr is a chemical compound selected from the group consisting of pyridine carboxylic acids.

Production and representation

Fluroxypyr may be obtained by reaction of 4 -amino-3 ,5- trichloro -6- fluoropyridine with sodium hydroxide, butyl chloroacetate, and hydrogen chloride.

Properties

Fluroxypyr is a white solid which is slightly soluble in water. It is stable to hydrolysis.

Use

Fluroxypyr is used as an active ingredient in pesticides. It is a systemic and selective herbicide of the class of growth substances, which is preferably used in the post-emergence.

The active substance fluroxypyr, was included in the European Union in 2000 for use as herbicide in the list of permitted pesticide active ingredients. After a temporary extension of authorization, the use of fluroxypyr in 2011 was re-authorized.

In Germany, Austria and Switzerland pesticides are approved with this drug.