... Density: 1.573/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,% ≤0.030 ... of testing nitrogen in organic microanalysis Product photos Melamine powder 99.8 %