1,3-Naphthalenediol
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
(Naphthoresorcinol), C10H6(OH)2 160.17 CAS RN®: 132-86-5.—Grayish-white to tan crystals or powder. Freely soluble in methanol; sparingly soluble in water, in alcohol, and in ether.
Melting Range〈741〉: between 122° and 127°.
Solubility in Methanol: Dissolve 500 mg in 50 mL of methanol: the solution is clear and complete.
