isophthalic acid

(redirected from Benzene-1,3-dicarboxylic acid)

isophthalic acid

[¦ī·sō¦thal·ik ′as·əd]
(organic chemistry)
C6H4(COOH)2 Colorless crystals subliming at 345°C; slightly soluble in water, soluble in alcohol and acetic acid, and insoluble in benzene; used as an intermediate for polyester and polyurethane resins, and as a plasticizer. Also known as meta-phthalic acid.