ß-hydroxynaphthoic acid

β-hydroxynaphthoic acid

[¦bād·ə hī¦dräk·sē·naf′thō·ik ′as·əd] (organic chemistry) C10H6OHCOOH A yellow solid that is soluble in ether and alcohol and melts at about 218°C; used as a dye and a pigment.