KARL FISCHER'S REAGENT PYRIDINE FREE

Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life

Physical Properties

Physical state at 20 °C

Liquid

Colour

Reddish-brown liquid

Odour

Pungent & odor of pyridine

pH value

Alkaline

Melting Point/ Freezing point [°C]

-42°C

Flash Point [°C]

20°C

Explosion limits - upper [%]

14%

Explosion limits -lower [%]

1.80%

Vapour density

2.73

Boiling point [°C]

115.3°C

Density [g/cm3]

1.12

Auto-ignition temperature [°C]

285°C

Vapour pressure mm/Hg

7.64 mm of Hg (@ 20°C)

Odour threshold

2.4 ppm

Flammability (solid, gas)

Flammable

Solubility in water [% weight]

Miscible in water

Vapour pressure [20°C]

14 mm of Hg (@ 20°C)

Specifications

Safety Information and Hazard Symbols

Symbol: GHS02, GHS06, GHS08
Signal Word: Danger
UN No.: 1188
IMCO Class No.: 3
Packing Group: III
Hazardous Statement: H226-H302-H312-H315-H317-H319-H331-H360FD
Precaution Statement: P201-P261-P280-P305 + P351 + P338-P310
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