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Product Name

Diflufenican

Function

Herbicide

Specification

98% Tech, 50% WP, 500 g/L SC

Chemical Name

N-(2,4-difluorophenyl)-2-[3-(trifluoromethyl)phenoxy]-3-pyridinecarboxamide

CAS No.

83164-33-4

Empirical Formula

C19H11F5N2O2

Chemical Formula of Active Ingredient

Toxicology

Oral Acute oral LD50 for rats >2000, mice >1000, rabbits >5000 mg/kg. 

Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg. Non-irritating to skin and eyes (rabbits). 

Inhalation LC50 (4 h) for rats >2.34 mg/l air. 

NOEL In 14 d sub-acute trials in rats, no adverse effect observed at 1600 mg/kg b.w. In 90 d feeding trials, NOEL for dogs was 1000 mg/kg b.w. daily, for rats 500 ppm diet. 

Other Non-mutagenic in the Ames test. 

Toxicity class WHO (a.i.) U 

Applications

Mode of action Selective contact and residual herbicide, absorbed principally by the shoots of germinating seedlings, with limited translocation.  Uses Applied at 125-250 g/ha pre- or early post-emergence in autumn-sown wheat and barley, to control grass and broad-leaved weeds, particularly Galium, Veronica and Viola spp. Normally used in combination with isoproturon or other cereal herbicides. Phytotoxicity Any slight phytotoxicity is in the form of small transient patches on basal leaves, with no adverse effect on crop development.

Package

25KG/Drum, 25KG/Bag, 200L/Drum, 20L/Drum, 5L/Drum, 1L/Bottle, etc

 

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