PYRIDINE AR

Suitable for Karl Fischer reagent.

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC3824 AR 99.50% 110-86-1 C5H5N 79.1 2933.31 60 Months

Packings

250 ml,500 ml,2500 ml,25 Liters,200 Liters,2500 ml,2500 ml

Physical Properties

Physical state at 20 °C Liquid
Colour colorless to light yellow
Odour Fishy Stench odour
pH value 8.5 at 15.82 g/l at 25 °C
Melting point/ Freezing point [°C] -42 °C
Auto-ignition temperature [°C] 482 °C
Flammability (solid, gas) Flammable
Flash point [°C] 17 °C
Boiling point [°C] 115 °C
Vapour pressure [20°C] 18 mm Hg @ at 20°C
Vapour pressure mm/Hg 18 mm Hg @ at 20°C
Vapour density 2.73
Density [g/cm3] 0.978
Solubility in water [% weight] Soluble in water
Partition coefficient Log Pow octanol / water at 20°C 0.65
Viscosity at 40°C [mm2/s] 0.95 mPas at 20°C
Explosion limits - upper [%] 12.40%
Explosion limits -lower [%] 1.80%

Specifications

Purity (by GC) Min 99.5%
Weight/ mL at 20°C 0.982 - 0.983 g
Refractive index (20°C; 589 nm) 1.509 - 1.510
Insoluble matter in water Passes test
Water (H2O) Max 0.1%
Non-volatile matter Max 0.002%
Chloride (Cl) Max 0.0005%
Ammonia (NH3) Max 0.002%
Copper (Cu) Max 0.0002%
Iron (Fe) Max 0.0002%
Lead (Pb) Max 0.0001%
Substance reducing KMnO4 (as O) Max 0.0008%
Appearance (Form) A clear liquid with characteristic odor
Colour Max 20 APHA

Safety Information and Hazard Symbols

Flame Exclamation Mark
Symbol GHS02, GHS07
Signal Word Danger
UN No. 1282
IMCO Class No. 3
Packing Group II
Hazardous Statement H225-H302-H312-H332
Precaution Statement P210-P280
Risk Statement
Safety Statement
Revision Date : 01-Dec-2021