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P3776 Sigma-Aldrich

Pyridine

≥99%

  • CAS Number 110-86-1

  • Empirical Formula (Hill Notation) C5H5N

  • Molecular Weight 79.10

  •  Beilstein/REAXYS Number 103233

  •  EC Number 203-809-9

  •  MDL number MFCD00011732

Purchase

Properties

vapor density   2.72 (vs air)
vapor pressure   10 mmHg ( 13.2 °C)
  20 mmHg ( 25 °C)
assay   ≥99%
autoignition temp.   899 °F
expl. lim.   12.4 %
refractive index   n20/D 1.509 (lit.)
bp   115 °C (lit.)
mp   −42 °C (lit.)
solubility   water: soluble
density   0.978 g/mL at 25 °C (lit.)
SMILES string   C1=CN=CC=C1
InChI   1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key   JUJWROOIHBZHMG-UHFFFAOYSA-N
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1282 - class 3 - PG 2 - Pyridine
WGK Germany 
2
RTECS 
UR8400000
Flash Point(F) 
62.6 °F
Flash Point(C) 
17 °C
Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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