It  is a fast curing water-based Catalyst for the production of polyurethane foams. It is a clear, colorless liquid with a mild odor. The active ingredient in RC Catalyst 106 is p-toluenesulfonic acid. Physicochemical properties Properties value CAS number 100-38-3 Molecular Formula C7H8O3S Molecular weight 172.17 g/mole Density 1.20g/cm ³ Flash point 100 ℃ Solubility...