hexamine Search Term: hexamineSource Category: ASSISTHexamine is on the Recommended Chemicals list for Australian schools. Synonyms: 1,3,5,7-tetraaza-adamantane, HMTA, methenamine, urotropine, hexamethylenetetramine; CAS Number: 100-97-0; Signal Word: Danger. Tags: 100-97-0HMTAmethenamineurotropinehexamethylenetetramine