Fipronil is a broad use insecticide that belongs to the phenylpyrazole chemical family. It is used to control ants, beetles, cockroaches, fleas, ticks, mites, mole crickets, thrips, rootworms, weevils, and other insects. Fipronil is used for the control of Insect pests in Agriculture , Public health, Veterinary and House hold. Fipronil kills insects when they eat it or come in contact with it. Fipronil works by disrupting the normal function of the central nervous system in insects.

Physical and Chemical Properties Product Name Fipronil Technical Purity 92.00% Min Other impurities 08.00% Max Acetone Insoluble 0.50% Max Acidity 0.50% Max as H2SO4 IUPAC Name 5-amino-1-(2,6-dichloro-α,α,α-trifluoro-p-tolyl)- 4-[(trifluoromethyl)sulfinyl]pyrazole-3- carbonitrile CAS No 120068-37-3 Empirical Formula C12H4Cl2F6N4OS Structural Formula Molecular Weight 437.2 Appearance white solid crystals Odour odourless Melting Point 200-201°C Specific Gravity 1.477-1.626 20°C Vapour Pressure 3.7 x 10 -4 mPa (25° C) Solubility Water : 1.9 mg/lit at 20°C Acetone : 545.9 g/lit at 20° Dichloromethane: 22.3 g/lit at 20° Hexane : 0.028 g/lit at 20°C Stability Stable to heat Stable in water at pH 5 and 7 Slowly hydrolyzed at pH 9 Flash Point 88°C Toxicity Route Species LD50 Mg/Kg of B/w Oral Rat 97 Dermal Rat >2000 Packing 50,100 and 200 Kg UN approved Drums Formulation Available 5% SC, 80% WDG, 80% WP , 0.3% G

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