Aromatic acid containing two carboxyl groups. It is available as three different isomers (ortho-,meta-, and para-phthalic acid), depending upon the location of the two carboxyl groups on the benzene ring
Aromatic acid containing two carboxyl groups. It is available as three different isomers (ortho-,meta-, and para-phthalic acid), depending upon the location of the two carboxyl groups on the benzene ring