Di-n-butylamine appears as a yellow-colored liquid with a amine-like odor. Denser than water. Very corrosive, may burn skin, eyes, and mucous membranes. Flash point 125°F. Combustible. Produce toxic oxides of nitrogen when burned. Used to make other chemicals.

Mainly used as corrosion inhibitor, emulsifier, insecticide, polymerization inhibitor, and in pharmaceuticals, pesticides, dyes, flotation agents, anti-corrosion agents, plasticizers, rubber vulcanization accelerators, etc.