... 96%97%TC(technical)Fipronil 2.5%5%EC,2.5%5%20%25%50%SC,80%WDG,75%WP,3%5%GRClassification: Insecticide Common name ... FAO/WHO 89, 91 (see part 2 of the Bibliography). Oral Acute oral LD50 for rats 97, mice 95 mg/kg ... . Skin and eye Acute percutaneous LD50 for rats >2000, rabbits 354 mg/kg. Not a skin ... NOEL (2 y) for rats 0.5 mg/kg diet; (18 mo) for mice 0.5 mg/kg diet; (52 w) for dogs 0.2 mg ...