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Pyridine

CAS No.
110-86-1
Chemical Name:
Pyridine
Synonyms
CBNumber:
CB81101133
Molecular Formula:
C5H5N
Molecular Weight:
79.1
MDL Number:
MOL File:
110-86-1.mol
Last updated:2023-05-04 17:34:31

Pyridine 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

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Signal word  Danger
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,Uses,Production

Definition

ChEBI: Pyridine is an azaarene comprising a benzene core in which one -CH group is replaced by a nitrogen atom. It is the parent compound of the class pyridines. It has a role as an environmental contaminant. It is a mancude organic heteromonocyclic parent, a monocyclic heteroarene, an azaarene and a member of pyridines.

Pyridine Preparation Products And Raw materials

Raw materials

Preparation Products

C5H5N