... FAO StandardFipronil 95%96%97%TC(technical)Fipronil 2.5%5%EC,2.5%5%20%25%50%SC,80%WDG,75%WP ... (BSI, pa E-ISO) IUPAC name (?-5-amino-1-(2,6-dichloro-a,a,a-trifluoro-p-tolyl)- ... 4-trifluoromethylsulfinylpyrazole-3-carbonitrile Chemical Abstracts name 5-amino-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(1R,S ... l (tech.; nose only exposure). NOEL (2 y) for rats 0.5 mg/kg diet; (18 mo) for mice ...