... DMAPA) is a clear essentially colorless liquid with a typical amine odor. N, N-DIMETHYL-1, 3-PROPANEDIAMINE (DMAPA) is a ... clear essentially colorless liquid with a typical amine odor. It is completely soluble in water, benzene, heptane, and ... N, N-Dimethyl-1, 3-Propanediamine CAS 109-55-7 purity 99% min