Chemical Name: 5-Bromo-3-sec-butyl-6-methyluracil
Formula: C9H13BrN2O2
Molecular weight: 261.1
CAS No.: 314-40-9
Appearance: Odorless, white powder.
Melting Point: 158-159°C.
Vapour Pressure: 0.033mpa at 20°C.
Stability: 815mg/l in water ; 96g/kg 0.9M in NaOH, 201g/kg in acetone, 77 g/kg inacetonitrile,155 g/kg in ethanol, 33 g/kg in toluene.Itis stable below M.P.,and it can be decomposed by strong acid at 20°C.
Toxicity: Oral LD50(rat) 3750 to 5200 mg/kg, dermal LD50 ( rat) is greater than 5000 mg/kg.
Specification: 95%TC,50%SC,80%WP,80%WDG.
Uses:bromacil No selective systemic herbicide,Control of commonaly ruderal with 5-15kg AI/ha,Control of annual and perennial rederal with 2-4kg/ha,Control of annual and perennial ruderal in special organge garden with 1.6-3.2kg/ha;Control of many years ruderal with 3.2-8.0kg/ha;1.8-5.5kg/ha in pineapple.Its effect may keep more than one season in high dosage.