Min. Order Reference FOB Price
1 kg US$2.39-4.59 / kg
Product Description
pyromellitic acid for synthesis of polyimide and TOPM,Manufacture,Best Price/ZIBO ANQUAN CHEMICAL CO.,LTD Item Top Grade Content (w, %) ≥99.0 CAS NO 89-05-4 Appearance white powder Melting Point (ºC) 282-284 Neutralization Equivalent 63.3±0.2 Specific Gravity 1.790 ...