Triethanolamine is an oily liquid with a mild ammonia odor. Denser than water. Freezing point is 71°F. Trolamine, which is also referred to as triethanolamine (TEA), is a tertiary amine and a triol. It is a bifunctional compound that exhibits both properties of alcohols and amines. Trolamine contains small amounts of diethanolamine and ethanolamine and may also act as an antioxidant against the auto-oxidation of animal and vegetable fats [A27174]. It is commonly used as a pH adjuster and surfactant in industrial and cosmetic products such as skin and hair conditioning products.