... .: 97-65-4 3.White crystal or powder 4.Assay: 99.6% min 5.Excellent quality at competitive price Itaconic acid ... Polymerize . Item Specification AppearanceWhite crystal or powder Assay ,by bromination %99.6minMoisture %0.3 maxMelting point,165-168Color,APHA5MaxHeavy metal (Pb ...