Bromacil CAS NO.314-40-9

Common name: Bromacil Chemical name: 5-bromo-3-sec-butyl-6-methyluracil Molecular formula: C9H13BrN2O2 Molucular weight 261.1 Physicochemical Properties Purity of Bromacil is colourless…

Common name: Bromacil Chemical name: 5-bromo-3-sec-butyl-6-methyluracil Molecular formula: C9H13BrN2O2 Molucular weight 261.1 Physicochemical Properties Purity of Bromacil is colourless crystal solid M.P. 158~159℃ ; V.P. 0.033mPa (25℃)。 Solubility(25℃)815mg/l in water; 96g/kg 0.9M in NaOH, 201g/kg in acetone, 77 g/kg in acetonitrile, 155 g/kg in ethanol, 33 g/kg in toluene . It is stable below M.P. ,and it can be decomposed by strong acid。the formulation for water-solubility couldn’t mix with toluene.The salt with calcium may cause deposit。 Toxicology Acute oral LD505200mg/kg for rats . Acute percutaneous for rabbits LD50 >5000mg/kg: slightly stimulation to the skin of young guinea pig,no stimulation to grow up guinea pig. Acute inhalation for rats LD50>4.8mg/l。In 2-y feeding trials NOEL：250mg/kg diet for rats and dogs, LD50 (96h)10000mg/l for mallard and quail。Sunfish 71mg/l;rainbow trout 75mg/l；carp 164mg/l。 Application no selective systemic herbicide,Control of commonaly ruderal with 5~15kg AI/ha, Control of annual and perennial ruderal 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；1.8~5.5 kg/ha in pineapple.Its effect may keep more than one season in high dosage. Formulation 80%WP、95%TC Packing in 25kg fibre drums