2,4-Lutidine

2,4-Lutidine is a heterocyclic organic compound with the formula (CH3)2C5H3N. It is one of several dimethyl-substituted derivatives of pyridine, all of which are referred to as lutidines. It is a colorless liquid with mildly basic properties and a pungent, noxious odor. The compound has few uses.

It is produced industrially by extraction from coal tars.

Biodegradation
The biodegradation of pyridines proceeds via multiple pathways. Although pyridine is an excellent source of carbon, nitrogen, and energy for certain microorganisms, methylation significantly retards degradation of the pyridine ring.

Safety
The is 200 mg/kg (oral, rats).