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82704 Sigma-Aldrich

Pyridine

puriss., absolute, over molecular sieve (H2O ≤0.005%), ≥99.8% (GC)

  • CAS Number 110-86-1

  • Empirical Formula (Hill Notation) C5H5N

  • Molecular Weight 79.10

  •  Beilstein Registry Number 103233

  •  EC Number 203-809-9

  •  MDL number MFCD00011732

  •  PubChem Substance ID 57652927

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Properties

Related Categories Pyridine, Solvent by Type, Solvents More...
vapor density   2.72 (vs air)
vapor pressure   10 mmHg ( 13.2 °C)
  20 mmHg ( 25 °C)
InChI Key   JUJWROOIHBZHMG-UHFFFAOYSA-N
grade   absolute
  puriss.
assay   ≥99.8% (GC)
autoignition temp.   899 °F
quality   over molecular sieve (H2O ≤0.005%)
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.)

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1282 - class 3 - PG 2 - Pyridine
WGK Germany 
2
Flash Point(F) 
62.6 °F
Flash Point(C) 
17 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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