... colorless liquid with a typical amine odor. N, N-DIMETHYL-1, 3-PROPANEDIAMINE (DMAPA) is a clear essentially colorless liquid with ... soluble in water, benzene, heptane, and other organic solvents.Specifications:1) Appearance: mobile liquid2) Flash point, °C (PMCC) 35. ... 9834) Specific gravity (Water = 1) 0.835) Water Solubility SolublePacking:160kg/drum N, N-Dimethyl-1, 3-Propanediamine CAS 109-55-7 ...