Sulfonated melamine formaldehyde (melamine), yomwe imadziwika kuti melamine, protein essence, formula ya molekyulu ndi C3H6N6, IUPAC yotchedwa "1,3, 5-triazine-2,4, 6-triamine", ndi triazine-containing heterocyclic organic compounds monga mankhwala. zida zogwiritsira ntchito. Ndi kristalo woyera wa monoclinic, pafupifupi wopanda fungo, wosungunuka pang'ono m'madzi (kutentha kwa firiji 3.1g/L), sungunuka mu methanol, formaldehyde, asidi asidi, otentha glycol, glycerin, pyridine, etc., insoluble mu acetone, ether, zoipa. kwa thupi la munthu, silingagwiritsidwe ntchito pokonza chakudya kapena zowonjezera zakudya.