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437611 Sigma-Aldrich

Pyridine

ACS reagent, ≥99.0%

  • 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 329756391

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Properties

Related Categories Pyridine, Solvent by Type, Solvents More...
grade   ACS reagent
vapor density   2.72 (vs air)
vapor pressure   10 mmHg ( 13.2 °C)
  20 mmHg ( 25 °C)
InChI Key   JUJWROOIHBZHMG-UHFFFAOYSA-N
assay   ≥99.0%
autoignition temp.   899 °F
expl. lim.   12.4 %
impurities   ≤0.002% NH3
  ≤0.025% water
evapn. residue   ≤0.002%
refractive index   n20/D 1.509(lit.)
bp   115 °C(lit.)
  115 °C
mp   −42 °C(lit.)
density   0.978 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤0.001%
  sulfate (SO42-): ≤0.001%
cation traces   Cu: ≤5 ppm

Description

Packaging

Packaged in poly-coated bottles

Price and Availability

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
Peer-Reviewed Papers
15

References

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