Fipronil, ROTICHROM® CHR, min. 98 %, Molar mass (M) 437,15 g/mol, Density (D) 1,55 g/cm³, Storage temp. +4 °C, CAS No. [120068-37-3], UN-Nr. 2811, EG-Nr. 424-610-5, Empirical formula C12H4Cl2F6N4OS