Molecular Formula: C12H9N CAS NO. ï¼?86-74-8 EINECSï¼? 201-696-0 UN: UN 2811 6.1/PG 3 Main application: Used in the manufacture of dyes, chemical reagents, explosives, insecticides, lubricants, rubber antioxidants, etc. Used as an analytical reagent and also for organic synthesis. Physicochemical propertiesï¼? Appearance: White crystal or light brown powder Purity: 98% Refractive index: 1.767 Stability: Stable. Combustible. Incompatible with strong oxidizing agents, nitrogen oxides, potassium hydroxide. Vapor pressure: 400 mm Hg at 323°C Storage condition: The warehouse is ventilated at low temperature and is stored separately from the oxidant. Flash point: 220 °C Melting point: 243-246 °C(lit.) Density: 1.1 g/cm3 Boiling point: 355 °C (lit.)