108-89-4 4-Picoline 4-Methylpyridine
4-Methyl pyridine is the organic compound with the formula CH3C5H4N. It is one of the three isomers of methylpyridine. This pungent liquid is a building block for the synthesis of other heterocyclic compounds. Its conjugate acid, the 4-methylpyridinium ion, has a pKa of 5.98, about 0.7 units above that of pyridine itself.
Appearance & Physical State: | Colourless liquid |
---|---|
Density: | 0.95 |
Melting Point: | 2.4ºC |
Boiling Point: | 145ºC |
Flash Point: | 40ºC |
Refractive Index: | 1.504-1.506 |
Water Solubility: | soluble |
Stability: | Stable under normal temperatures and pressures. Hygroscopic: absorbs moisture or water from the air. |
Storage Condition: | Flammables area |
Vapor Pressure: | 4 mm Hg ( 20 °C) |
Vapor Density: | 3.2 (vs air) |
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