we are golden supplier and can supply large quantity with good quality. CommodityDiaminomaleonitrile2,3-diamino-maleonitrileFormulaC4H4N4CAS NO1187-42-4Name of indexindexAppearanceshallow brown crystallizationContent%≥99.0Dry weightlessness %≤0.5Residue of burning %≤0.2Sample Nature: white or shallow brown crystallizationl, melting point is 178~179,proportion is 1.361,ph is 6.7(water solution of ...