Spontaneity of reactions of triazine dendric molecules in aqueous medium illustrated with excess viscosities, volumes and free energies

Abstract

The far-reaching applications of the dendric units – 2,4,6 trichloro-triazine (2,4,6 TCT), triaceto-triazine (2,4,6 TAT), trihydroxy-triazine (2,4,6 THT) and tridiethylmalonate-triazine (2,4,6 TDEMTA) for reactions in an aqueous medium have been assessed in the present study. Some of their fundamental properties, such as density and viscosity, have been measured to calculate the excess volume (V E), viscosity (η E) and molar free activation energy (Δ G E) at 298.15 K for 6.25–10.0 × 10−4 mol kg−1. The positive values of Δ G E for such units suggest their weaker response with water. THT around 3.0 × 10−7 mole fraction shows maximum Δ G E values. The lowest values of Δ G E are recorded for TCT.