... .573/cm3 Melting point: 354 degree Melamine powder 99.8%Product DescriptionCategories: Chemical materials Formula: C3H6N6 Exclusive standard ... : GB/T9567-1997 Specification Top gradeFirst-gradePurity,%≥99.899Moisture,% ≤0.10.2PH value7.5-9.5Ash ... , glycerin, pyridine, extremely slightly soluble in alcohol, insoluble in ether, enzene, carbon tetrachloride Heating sublimation, decomposition ...