cas no:89-32-7
Cas no: 89-32-7 Formula: C10H2O6 Purity: 99.5% Appearance: 白色晶體
Name:PMDAChemical name:Pyromellitic dianhydrideCas no: 89-32-7Formula: C10H2O6Purity: 99.5%Appearance: 白色晶體Package 25kg/桶； 135kg/桶
