U-CAT 3513N is an aliphatic dialkylurea used as a hardener for polyurethane foams. It is less active than U-CAT 3512T, but has a longer shelf life. Physicochemical properties of U-CAT 3513N · CAS No. : 135083-58-9 · Molecular formula: C12H18N2O · Molecular weight: 228.29 g/mol · Appearance: white powder · Density: 1.22 g/cm ³ · Solubility: Soluble in polar solvents such...