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320498 Sigma-Aldrich

Pyridine

ReagentPlus®, ≥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

  •  PubChem Substance ID 329753979

  •  NACRES NA.21

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Properties

Related Categories ReagentPlus, ReagentPlus Solvent Grade Products, ACS and Reagent Grade Solvents, PVC Coated Bottles, Pyridine,
Quality Level   100
vapor density   2.72 (vs air)
vapor pressure   10 mmHg ( 13.2 °C)
  20 mmHg ( 25 °C)
product line   ReagentPlus®
assay   ≥99%
form   liquid
autoignition temp.   899 °F
expl. lim.   12.4 %
refractive index   n20/D 1.509 (lit.)
pH   8.5 (25 °C, 15.82 g/L)
bp   115 °C (lit.)
  115 °C
mp   −42 °C (lit.)
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

Description

Packaging

1 L in Sure/Seal™

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Precautionary statements 
RIDADR 
UN1282 - class 3 - PG 2 - Pyridine
WGK Germany 
WGK 2
RTECS 
UR8400000
Flash Point(F) 
62.6 °F - closed cup
Flash Point(C) 
17.0 °C - closed cup
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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