Melamine sulfonated formaldehyde (melamine), vulgo melamine, interdum essentia, formula hypothetica C3H6N6, IUPAC nomine "1,3, 5-triazino-2,4, 6-triamine" est triazinum continens heterocyclica organica composita ut chemica rudis materiae.Est crystallus albus monoclinicus, fere inodorus, in aqua leviter solutus (ad 3.1g/L locus temperatus), solubilis in methanolo, formaldehyde, acido acetico, glycollo calido, glycerino, pyridine, etc. ad corpus humanum, non potest adhiberi in cibis processus vel cibi additivorum.