Naphthols

**Definition:** Naphthalene derivatives carrying one or more hydroxyl (-OH) groups at any ring position. They are often used in dyes and pigments, as antioxidants for rubber, fats, and oils, as insecticides, in pharmaceuticals, and in numerous other applications.

**Tree numbers:** - D02.455.426.559.847.638.638 - D04.615.638.638

**Synonyms:** - Hydroxynaphthalenes - Naphthol - Hydroxynaphthalene