Diethanolamine is polyfunctional, being a secondary amine and a diol. Like other organic amines, diethanolamine acts as a weak base. Reflecting the hydrophilic character of the secondary amine and hydroxyl groups,
D 1635 (OTTO) Diethanolamine, 98% Cas 111-42-2 - used as a surfactant and a corrosion inhibitor. D 1635 (OTTO) Diethanolamine, 98% Cas 111-42-2 - used to remove hydrogen sulfide and carbon dioxide from natural gas.