... to bees. Acute oral LD50 of 40.7% chlorpyrifos EC for rats 590mg/kg, acute dermal for rabbits LD50 ... h), irritation to eyes and skin.9. Usage: Thiophosphate insecticide; Contact, stomach, and respiratory action.Non persistent on leaves ... 10. Specification and Package: Purity≥%97.0minAcidity0.3maxacetone-insoluble substance≤%0.5maxMoisture≤%0.5maxPackage25kgs/drum insecticide chlorpyrifos 97% tech;40%EC ...