Pyridine 99.5% AR
Suitable for Karl Fischer reagent.
Azabenzene; Azine.
Product Code. |
02223 |
Grade |
AR |
Purity |
99.5% |
CAS No. |
110-86-1 |
Molecular Formula |
C5H5N |
Molecular Weight |
79.10 |
H.S.Code |
2933.31000 |
Shelf Life |
60 Months |
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% |
Packaging
Specification
| Appearance | A clear colorless liquid with characteristic odor |
| Assay | Min 99.5% |
| Weight/ mL at 20°C | 0.982 - 0.983 g/ml |
| 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% |
Safety Information and Hazard Symbols
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