- Chemical Name:Pyromellitic Acid (PMA)
- CAS Number:89-05-4
- Synonyms:1,2,4,5-BenzenetetracarboxylIc Acid, Pyromellitic Acid
Puyang Shenghuade Chemical Pyromellitic acid (PMA) is a tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively. It is a member of benzoic acids and a tetracarboxylic acid.