Triethylenetetramine is colourless to light yellow or amber viscous
liquid.And it is Less dense than water. Combustible, though may be
difficult to ignite. Corrosive to metals and tissue. Vapors heavier
than air. Toxic oxides of nitrogen produced during combustion. Used
in detergents and in the synthesis of dyes, pharmaceuticals and
other chemicals.Soluble in water.Vapors from hot liquid can
irritate eyes and upper respiratory system. Liquid burns eyes and
skin. May cause sensitization of skin.