Benzenedicarboxylic acid

In organic chemistry, benzenedicarboxylic acid is a systematic name for a chemical with a benzene ring attached to two carboxylic acid groups.

This chemical has three structural isomers, depending on how far apart the acid groups are on the ring:
 Phthalic acid, when the groups are next to each other
 Isophthalic acid, when they are one carbon apart
 Terephthalic acid, when they are opposite each other

NamePhthalic acidIsophthalic acidTerephthalic acidStructurealt=|100x100pxalt=|120x120pxalt=|130x130px

Category:Xylene derivatives
Category:Dicarboxylic acids