- This article is about the chemical substance called melamine. The term "melamine" may also be used to refer to melamine resin, a plastic made from melamine and formaldehyde.
- Not to be confused with melanin, a pigment found in skin and hair, or with melatonin, a naturally occurring hormone regulating the circadian rhythms of most animals.
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Melamine is an organic base with the chemical formula C3H6N6, with the IUPAC name 1,3,5-triazine-2,4,6-triamine. It is only slightly soluble in water.
Melamine is a trimer of cyanamide. Like cyanamide, it is 66% nitrogen (by mass) and provides fire retardant properties to resin formulas by releasing nitrogen when burned or charred. Dicyandiamide (or cyanoguanidine), the dimer of cyanamide, is also used as a fire retardant.
Melamine is a metabolite of cyromazine, a pesticide. It is formed in the body of mammals who have ingested cyromazine.[2] It was also reported that cyromazine is converted to melamine in plants.[3][4]
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