Basic information Safety Use
Pyridine Structure

Pyridine

Chemical Properties

Melting point -42 °C
Boiling point 115 °C
Density  0.978
vapor density  2.73 (vs air)
vapor pressure  18 mm Hg @ at 20°C
refractive index  1.509-1.510
Flash point 17 °C
form  Liquid
pka 5.23±0.10(Predicted)
color  colorless to light yellow
Odor Fishy Stench odour
PH Range 8.5 at 15.82 g/l at 25 °C
explosive limit 1.80-12.40%
Viscosity 0.95 mPas at 20°C
Water Solubility  Soluble in water

Safety

Symbol(GHS) GHS hazard pictogramsGHS hazard pictograms
Signal wordDanger
Hazard statements H225-H302+H312+H332-H315-H319
Precautionary statements P210-P280-P301+P312-P303+P361+P353-P304+P340+P312-P305+P351+P338
Autoignition Temperature 482 °C
PackingGroup  II

Pyridine Chemical Properties,Usage,Production

Preparation Products And Raw materials