Common Name:Fipronil CAS Number 120068-37-3 Density:1.9±0.1 g/cm3 Boiling Point:510.1±50.0 °C at 760 mmHg Melting Point:200-201°C Molecular Formula:C12H4Cl2F6N4OS Molecular Weight:437.148 Flash Point:262.3±30.1 °C Vapour Pressure:0.0±1.3 mmHg at 25°C Index of Refraction:1.618