Min. Order Reference FOB Price
1 kg US$4.00-6.00 / kg
Product Description
Brief introduction Pyromellitic dianhydride (PMDA), pure products are white or slightly yellow crystals. Exposure to moist air will quickly absorb moisture from the air and hydrolyzed into Pyromellitic Acid. Dissolved in dimethyl sulfoxide, dimethylformamide, acetone other organic solvents, ...