Tallow Diamine, also known as N-tallowalkyl-1,3-propanediamine, is a specialized fatty amine used as a surfactant. It has a weak ammonia like odor. Its color can range from pale yellow to amber and it typically has a semisolid appearance. Tallow Diamine is soluble in organic solvents and its pH balance becomes alkaline when mixed with water. Tallow Diamine is considered corrosive.