Product Description
Common name: Oxyfluorfen
Other name: Oxyfluorfen (BSI, E-ISO, ANSI, WSSA); Oxyfluorfene ((m) F-ISO)
Iupac name: 2-chloro-α , α , α -trifiuoro-p-tolyl-3-ethoxy-4-nitrophenyl ether Chemical Abstracts name 2-chloro-1-(3-ethoxy-4- nitrophenoxy)-4-(trifluoromethyl)benzene
Chemical abstracts name: [42874-03-3]
Type: Herbicide
M. F.: C15H11ClF3NO4
Mol Wt: 361.7
APPLICATION
Formulation types: EC; GR.
Biochemistry: Protoporphyrinogen oxidase inhibitor.
Mode of action: Selective contact herbicide, absorbed more readily by the foliage (and especially the shoots) than by the roots, with very little translocation.
Uses: Control of annual broad-leaved weeds and grasses in a variety of tropical and subtropical crops, by pre- or post-emergence application at rates in the range 0.25-2.0 kg a. I. /ha. Particular crops include tree fruit (including citrus), vines, nuts, cereals, maize, soya beans, peanuts, rice, cotton, bananas, peppermint, onions, garlic, ornamental trees and shrubs, and conifer seedbeds.
Phytotoxicity: Soya beans and cotton may be injured by contact with oxyfiuorfen.
MAMMALIAN TOXICOLOGY
Oral: Acute oral LD50 for rats and dogs >5000 mg/kg.
Skin and eye: Acute percutaneous LD50 for rabbits >10000 mg/kg. Mild to moderate eye irritant; Mild skin irritant (rabbits).
Inhalation: LC50 >5.4 mg/l.
Noel: In chronic dietary trials, NOEL for rats 40, dogs 100, mice 2 mg/kg diet.
ADI: 0.003 mg/kg.
Toxicity: WHO (a. I. ) III (Table 5); EPA (formulation) IV
Item
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Index
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Result
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Commodity name
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Oxyfluorfen 24%EC
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A.I. content %
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≥24.0
|
24.3
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Water, %
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≤0.5
|
0.4
|
pH value
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6.0-9.0
|
6.7
|
Cold stability
|
Qualified
|
Qualified
|
Heat stability
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Qualified
|
Qualified
|
Emulsifiable stability
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Qualified
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Qualified
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Appearance
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Unclear liquid, free from visible suspension and deposition
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