Min. Order Reference FOB Price
1 kg US$3.58-5.71 / kg
Product Description
98% White Or light yellow Crystal Crude Pyromellitic Dianhydride (PMDA) PRODUCT Product Name:Pyromellitic dianhydride; 1,2,4,5-Benzenetetracarboxylic dianhydride,PMDA CAS No.:89-32-7 EINECS No.:201-898-9 Molecular Formula: C10H2O6 Molecular weight:218.12 Supply capacity:100 metric ...