SZSE:002741
Chemical Reagents
PyridineCOA Report
  • CAS No.:110-86-1
  • Molecular weight:79.10
  • Molecular formula:C5H5N
  • UN Code:1282
  • EC No.:203-809-9
  • HS-No:29333100
Information
Specification category:
Product No. Product name specifications
1.21102.023 Pyridine AR500mL
1.21102.033 Pyridine AR2.5L
Characteristic: Appearance and properties: colorless or slightly yellow liquid with odor.
Relative density: 0.98
Relative vapor density: 2.73
Melting point(℃): -42
Boiling point(℃): 115.3
Concentration: Pure
Saturated vapor pressure: 1.33/13.2 ℃
Solubility: soluble in water, alcohol, ether, etc. Most organic solvents.
Technical indicators:
Item AR CP
Assay (C5H4N) ≥99.5% ≥99.0%
Solubility in water Pass Pass
Evaporation residue ≤0.002% ≤0.004%
Water(H2O) ≤0.1% ≤0.2%
Chloride(Cl) ≤0.0005% ≤0.001%
Sulfate(SO4) ≤0.001% ≤0.002%
Ammonia(NH3) ≤0.002% ≤0.004%
Copper(Cu) Pass Pass
Substances reducing potassium permanganate Pass Pass
Hazard characteristics:

IATA-DGR UN 1282 PYRIDINE,3,II

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