Pyridine

Physical State: Liquid Appearance: colorless to light yellow Odor: strong odor - fish-like pH: 8.5 (0.2 M aq soln) Vapor Pressure: 18 mm Hg @ 20 deg C Viscosity: 0.95 mPa s 20 deg C Boiling Point: 115 deg C Freezing/Melting Point: -42 deg C Autoignition Temperature: 900 deg F ( 482.22 deg C) Flash Point: 68 deg F ( 20.00 deg C) Explosion Limits, lower: 1.8% Explosion Limits, upper: 12.4% Decomposition Temperature: Not available. Solubility in water: Miscible in water. Volatile in steam. Specific Gravity/Density: .9780 Molecular Formula: C5H5N Molecular Weight: 79.10
It can be used as a solvent to seperate Pyridine from the derivative; it can also be used in the production of edenaturant and dyeing suxiliary, and the synthesis of a series of products including medicine, disinfectant, dye, food spicy, adhesive, explos