Melamine is a white monoclinic crystal with high melting point. It's sp. Gr. 1.573. It will decompose when the temperature is higher than m. P. It is difficultly soluble in water, ethylene glycol, glycerin and pyridine, slightly soluble in ethyl alcohol, insoluble in ether, benzene and carbon tetrachloride. The aqueous solution appears weak alkaline characteristic.

Melamine is mainly used in laminates, wood adhesives, surface coatings, moulding compounds, flame retardants, textile and paper treating, fluorescent pigments, leather tanning agents, concrete additives etc.