PYRIDINE

PYRIDINE AR

Suitable for Karl Fischer reagent.
Azabenzene; Azine.

Article No.

00281

Grade

Purity

99.5%

CAS No.

110-86-1

Molecular Formula

C₅H₅N

Molecular Weight

79.10

H.S. Code

2933.3100

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

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%

Packings

250 ml (00250)
500 ml (00500)
2500 ml (02500)
25 Liters (0025K)
200 Liters (0200K)
2500 ml (02500)
2500 ml (02500)

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

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

Revision Date : 01-Dec-2021