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|Place of Origin:||China|
|Model Number:||20% WP|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||aluminium foil bag|
|Delivery Time:||15-30 work days|
|CAS No.:||101200-48-0, 69377-81-7||MF:||C15H17N5O6S, C7H5Cl2FN2O3|
|EINECS No.:||401-190-1||Storage Temp.:||0-6°C|
agricultural weed killer,
Agricultural Herbicides Selective inner-absorption conducting herbicide fluroxypyr + tribenuron methyl 20% WP
Pure products are white crystals without odors. M.p.232 ~ 233 C, vapor pressure 1.26 * 10-3Pa (25 C), pKa2.94. Soluble in acetone (1.6g/L), chloroform, dichloromethane, insoluble in water (91mg/L). Store at room temperature for 2 years. Its methyl ester is crystal. M.p.56^ ~ 57 C, vapor pressure 0.014 * 10-3Pa (25 C). Solubility at 20:00: dichloromethane 896g/L, acetone 867g/L, ethyl acetate 792g/L, toluene 735g/L, xylene 642g/L, methanol 469g/L, hexane 45g/L. The partition coefficient is 6140. The half-lives of hydrolysis reaction were 9.8 D (pH = 5), 17.5 D (pH = 7) and 10.2 D (pH = 9).
Pyridoxy acetic acid herbicides. It has the function of internal absorption and has typical reaction of hormone type herbicides. After the use of seedlings, sensitive crops showed the reaction of typical hormone herbicides. It is suitable for use in cereal crops. It can be used to control broad-leaved weeds in wheat, barley, corn, grape and orchard, pasture and forest farm, such as Herba uni *, field, flowers, shepherd's purse, stemming, amaranth and purslane. If it is used in winter wheat, it will be used in the post-winter green period, spring wheat in the 2-4 leaf period, weeds are basically out of line after the application of medicine, with 50% EC 7.5-10 mL/100 m2, water 4.5 kg, in the weed 2-4 leaf period. It can also be mixed with many other herbicides such as 2,4-drop, 2-methyl-4-chloro, isopron, chlorotoluron, Hecaoling and Caojing.
This product is white solid. M.p.141 C, vapor pressure 0.036 * 10-3Pa (25 C). The solubilities of acetone, acetonitrile, carbon tetrachloride, ethyl acetate and hexane in organic solvents were 43.8 mg/L, 54.2 mg/L, 3.12 mg/L, 17.5 mg/L and 0.028 mg/L, respectively. The partition coefficient (octanol / water) was 0.36 (pH=7). It is stable in storage at room temperature, stable in light, hydrolyzed at 45 C, stable in pH 8 ~ 10, but hydrolyzed rapidly at pH < 7 or > 12. The half-life of soil is 1 to 7d.
Sulfonylurea herbicides inhibit acetolactate synthase, cell division and shoot and root growth. The roots and leaves of plants were absorbed and died within 14d. It can be used to control broadleaf weeds effectively in cereal crops. Spraying 0.1-0.2g/100m2 to control broad-leaved weeds in wheat field has good control effect (adding surfactant can increase control effect).
As a herbicide in wheat field, it can effectively control the annual broad-leaved weeds of l.*, shepherd's purse, barley grass, Herba cider, Herba cider, Chenopodium album, amaranth and so on.
|Fluroxypyr Usage And Synthesis|
|Uses||Fluroxypyr is a systemic and selective herbicide. Fluroxypyr is used for the control of broad-leaved weeds in small grain cereals, maize, pastures, range land and turf. Fluroxypyr is a synthetic auxin .|
|Definition||ChEBI: An aminopyridine that is pyridin-4-amine substituted by chloro groups at positions 3 and 5, a fluoro group at position 6 and a carboxymethoxy group at position 2.|
|Tribenuron methyl Usage And Synthesis|
|Definition||ChEBI: The methyl ester of tribenuron.|
|General Description||Colorless crystals. Non corrosive. Used as an herbicide.|
|Air & Water Reactions||Hydrolysis occurs rapidly at pH <7 or >12.|
|Reactivity Profile||A sulfonylurea derivative.|
|Agricultural Uses||Herbicide: Used to control annual grasses and broadleaf weeds on barley, blueberries, oats, wheat, flax and rape seed (canola). Registered for use in EU countries . Registered for use in the U.S. U.S. Maximum Allowable Residue Levels for the residues of the herbicide tribenuron methyl [40 CFR 180.451(a)]: in or on the following raw agricultural commodities: barley, grain 0.05 ppm; barley, straw 0.10ppm; canola, seed 0.02 ppm; cotton, gin byproducts 0.02 ppm; cotton, undelinted seed 0.02 ppm; flax, seed 0.02 ppm; oat, grain 0.05 ppm; oat, straw 0.10ppm; wheat, grain 0.05ppm; and wheat, straw 0.10 ppm. Tolerances with regional registration, as defined in 180.1(n), are established. [40 CFR 180.451(c)]: in or on the following raw agricultural commodities: grass, forage, fodder and hay, group (except Bermudagrass); forage 0.10ppm; and grass, forage, fodder and hay, group (except Bermudagrass); hay 0.10 ppm.|
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