Description: A diphenyl ether herbicide for cereals
Common name: bifenox
Selected tradenames: Foxpro; Modown
Chemical Abstract name: methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate
CAS RN: [42576-02-3]
Chemical Formula: C14H9Cl2NO5
Molecular Mass (g mol-1): 342.1
Structure :
Properties :
Pure bifenox is the yellow crystals.M.p.84-86℃ V.p. 0.32mPa(30℃);Solubility in water 0.35mg/l(25℃), in acetone 400, chlorobenzene 400, xylene 300, ethanol ＜50(all in g/kg,25℃). Slightly soluble in aliphatic hydrocarbons. Stability Thermally stable up to 175℃; total decomposition occurs above 290℃. Stable in slightly acidic or slightly alkaline media, but rapidly hydrolysed above pH 9. DT50 in saturated aqueous solution.
Applications :
A diphenyl ether selective herbicide for cereals. Biochemistry protoporphyrinogen oxidase inhibitor. Absorbed by the foliage, emerging shoots and roots, with limited translocation from roots and foliage to shoots. Uses Control of annual broad-leaved weeds and some grasses in cereal, maize, sorghum, soya beans, rice, and some other crops at 0.75-1kg a.i./ha.
Formulation types
Modown 4F, SC (480g/l)；Modown 2EC, EC (240g/l); Modown 7G or 10G (70 or 100g/l).
Analysis :
Product analysis is by holc. (Rhone-Poulenc Agrochimie); FAO-1992(413/S/F/TC,SC)
Mammalian Toxicology :
Mammals - Acute oral LD50 (mg kg-1) 5000，Birds - Acute LD50 (mg kg-1) 4640，Fish - Acute LC50 (mg l-1) 0.27，Honeybees - LD50 (mg bee-1) 1000.
Specification: 97%Tech
Packaging:On the clients' requirements.
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