Min. Order Reference FOB Price
1 kg US$2.39-4.59 / kg
Product Description
Item Top Grade Product Name Pma,Pyromellitic Acid,1,2,4,5-Benzenetetracarboxylic acid Content (w, %) ≥99.0 CAS NO 89-05-4 Appearance White powder Melting Point (ºC) 281-284 Neutralization Equivalent 63.3±0.2 Specific Gravity 1.790 Molecular Formula C10H6O8 ...