We report more precise measurements of the magnetic field effect on the supposed first singlet state of s-triazine at 3330.8 Å, and find a g-factor of 0.11 ± 0.08 assuming the observed effects are caused by a splitting. We also report new results that are in agreement with previous work on the magnetic dipole nature of the transition, but a concern about the assumed cylindrical symmetry of the 4.2°K s-triazine crystal is raised