. . . . "experimental"@en . . "141-43-5"@en . . . . . . "Ethanolamine"@en . . . "A viscous, hygroscopic amino alcohol with an ammoniacal odor. It is widely distributed in biological tissue and is a component of lecithin. It is used as a surfactant, fluorimetric reagent, and to remove CO2 and H2S from natural gas and other gases. [PubChem]"@en . . . . . . . . . . . . . . . . . . . . . . . . . . "John W. Varwig, \"Method of making the ethanolamine salt of N-nitrosophenylhydroxylamine.\" U.S. Patent US4898976, issued February, 1969."@en . . . . . .