Triethanolamine smells little like ammonia, slightly soluble in water, ethanol, acetone, glycerin and ethylene glycol, slightly soluble in benzene, ether and carbon tetrachloride, almost insoluble in nonpolar solution, Triethanolamine akaline than ammonia is weak, has the nature of tertiaryamine and alcohol, Reaction with organic acid generated when in low temperature salt, high temperature generated ester, With a variety of metal generated 2-4 ligand of the chelate.