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  Product Name Thifensulfuron-methyl
  Function Herbicide
  Chemical Name methyl 3-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]-2-thiophenecarboxylate
  Empirical Formula C12H13N5O6S2
  CAS Number 79277-27-3
  Molecular Weight 387.42
  Chemical Formula of
  Active Ingredient
  Toxicology Acute oral LD50 (rat): > 5000 mg/kg
Acute dermal LD50 (rabbit): > 2000 mg/kg
Acute 4-hour rat inhalation LC50: > 7.9 mg/l air
Acute Skin Irritation (rabbit): non irritant
Acute Eye Irritation (rabbit): mild irritant
Skin Sensitization (guinea pig): not a skin sensitizer
  Applications Selective systemic herbicide, absorbed by the leaves and roots, with translocation acropetally and basipetally throughout the plant. Used in winter and spring wheat, winter and spring barley, rye, triticale, oats, soya beans, pasture and maize (grain and fodder). Post-emergence control of broad-leaved weeds and also loose silky-bent (Apera spica-venti) in winter and spring cereals. Application rates 9-60 g/ha. Normally used in combination with metsulfuron-methyl.
  Stability Stable at 55 ºC. On hydrolysis, DT50 (45 ºC) 4.7 h (pH 3), 38 h (pH 5), 250 h (pH 7), 11 h (pH 9)
  Pack 25 kg/carboard drum
     
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