Oxadiazon |
Chemical Name: 5-tert-butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-one Formula: C15H18Cl2N2O3 Molecular weight: 249.11 CAS No.: 19666-30-9 Structure: Description: Appearance: white crystal without odour. Melting Point: 91-94°C. Vapour Pressure: 0.0133 m Pa at 20°C. Stability: Solubility in water 0.7mg/L, and in methyl or ethyl is 100g/l; in cyclohexane is 200g/l; in acetone is 600g/l;in benzene, chloroform, dimethyl benzene is 1000g/l. Toxicity: Oral LD50 8000 mg/kg, dermal LD50 ( rabbits) is greater than 8000 mg/kg, acute in halation LC50>200mg/l. Subacute toxicity (rat): no effect level is 1000mg/kg/d, Chronic toxicity to rat no effect level is 25mg/kg/d; dog is 15mg/kg/d. Specification: 95%TC,12%EC,25%EC. Uses: Oxadiazon is a selective, peremergent herbicide for control of many annual grasses and broadleaf weeds in turf and on a wide variety of woody ornamental shrubs, vines and trees. It controls weeds by killin the young weed seedlings as they come in contact with herbicide during germination. |