Pyridine Molecular Formula: C5H5N CAS: 110-86-1 EINECS203-809-9 UN: 1282 3/PG 2 Main application: Used in the manufacture of vitamins, sulfonamides, pesticides and plastics. Used as an alkaline solvent in the chemical industry and laboratory. Used as catalysts for polymerization, oxidation, carbonylation of acrylonitrile, etc. It can also be used as stabilizer of silicone rubber and raw material of anion exchange membrane. Used as a corrosion inhibitor. Used as an analytical reagent, widely used as a solvent, liquid chromatography eluent. Also used in organic synthesis. Physicochemical properties: Appearance Transparent and clean liquid with a distinctive smell Purity 99.9% Refractive index n20/D 1.509(lit.) Stability Stable, flammable, incompatible with strong oxides and strong acids Flashing point 68°F Vapor pressure 23.8mmHg at 25°C Storage condition The warehouse is ventilated at low temperature and stored separately from oxidants and acids. Melting point -42 °C(lit.) Density 0.983 g/mL at 20 °C(lit.) Boiling point 96-98 °C(lit.) Packing200kg Galvanized steel drum for packing and transportation