pure product is white odourless solid crystal with no odour,m.p.150~152 ,D420 1.18.It's almost insoluble in water, soluble in many organic solvents, harkly soluble in ether, xylene and kerosene. Unstable in the alkaline medium. Light can accelerate its decomposition. Acute oral LD50 of technical to rats is 8~14mg/kg,acute oral LD50 to dogs is 19 mg/kg,acute dermal LD50 to rabbits is 10200 mg/kg. No irritation to skin and eyes.Notoxicity to bees,though it has toxicity to birds,LC50 to pheaxant is 573 ppm.