基本信息
Common Name  Diflubenzuron CAS NO.  35367-38-5
Chemical Formula  C14H9ClF2N2O2 Molecular Mass 310.7 
Structural Formula  
   Diflubenzuron 95% TC  
 
 ITEMS  STANDARDS
 Appearance  Off-white,fine powder
 Content of a.i.  ≥95%
 Water  ≤0.5%
 Average particle size  ≤3.75 μm
 Acidity(as H2SO4)   ≤0.3%
 
   Diflubenzuron 25% WP  
 
 ITEMS  STANDARDS
 Appearance   Off-white powder
 Content of a.i.(w/w), %  ≥25%
 pH   6.0~9.0
 Water, %  ≤2.0
  Suspensibility, %  ≥ 75
 Wet sieve(45μm sieve)   98%
 
  Diflubenzuron 25% EC   
 
 ITEMS  STANDARDS
 Apperance  Stable homogeneous liquid
 Content of a.i.(w/w),%  ≥25
 pH  5.5~8.5
 Emulsifiability   No oil or suspended matter
 Persistent foam(1min)  ≤60 ml
 Stability at 0°C  No separation or the volume of solid and/or liquid which separates shall not be more than 0.3ml.
 
Usage
For control of a wide range of leaf-eating insects in forestry, woody ornamentals and fruit. Controls certain major pests in cotton, soya beans, citrus, tea, vegetables and mushrooms. Also controls larvae of flies, mosquitoes, grasshoppers and migratory locusts. Used as an ectoparasiticide on sheep for control of lice, fleas and blowfly larvae. Due to its selectivity and rapid degradation in soil and water, diflubenzuron has no or only a slight effect on the natural enemies of various harmful insect species. These properties make it suitable for inclusion in integrated control programmes. Diflubenzuron is effective at 25-75 g/ha against most leaf-feeding insects in forestry; in concentrations of 0.01-0.015% a.i. against codling moth, leaf miners and other leaf-eating insects in top fruit; in concentrations of 0.0075-0.0125% a.i. against citrus rust mite in citrus; and at a dosage of 50-150 g/ha against a number of pests in cotton (cotton boll weevil, armyworms, leafworms), soya beans (soya bean looper complex) and maize (armyworms). Also for control of larvae of mushroom flies in mushroom casing (1 g/m2); mosquito larvae (25-100 g/ha); fly larvae in animal housings (0.5-1 g/m2 surface); and locusts and grasshoppers (60-67.5 g/ha).
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