The standard (p degrees = 0.1 MPa) molar enthalpy of formation for liquid 2,4,6-trimethylpyridine was derived from the standard molar enthalpy of combustion, measured by static bomb combustion calorimetry in oxygen, at the temperature T=298.15 K : Delta(f)H(m) degrees = -(31.0 +/- 2.3) kJ.mol(-1).