Tromethamine

**Definition:** An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424)

**Tree numbers:** - D02.033.455.706.900

**Synonyms:** - Tris(hydroxymethyl)aminomethane - Tris Buffer - Trisamine - Trometamol - Tri(hydroxymethyl)aminomethane