Chinese Professional Manufacturer of 1, 2, 4, 5-Benzenetetracarboxylic Anhydride Pmda, Find details about China Pyromellitic Dianhydride, Crude Pmda from Chinese Professional Manufacturer of 1, 2, 4, 5-Benzenetetracarboxylic Anhydride Pmda
Item | Standard |
Appearance | White or Light yellow Crystal |
Assay | ≥98% |
Melting Point | 282~286ºC |