rc catalyst 105 is a non-halogenated 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 105 is 2, 4-dihydroxybenzoic acid. physicochemical properties properties value cas number 99-95-6 molecular formula c7h6o3 molecular weight 136.11 g/mole density 1.20g/cm ³ flash point 100...