Description

1,7-Dihydroxynaphthalene is a high-purity dihydroxy-substituted naphthalene derivative, serving as a versatile and critical intermediate in advanced organic synthesis. Its value lies in its bifunctional phenolic structure, which enables its use in the production of complex dyes, pigments, and high-performance polymers. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable building blocks for sophisticated molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Dye & Pigment Manufacturing: Core monomer for producing azo dyes, naphthol AS series pigments, and other high-value colorants.
• Agrochemical Synthesis: Building block for herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Production: Used in the manufacture of epoxy resins, polycarbonates, and other engineering plastics.
• Liquid Crystal & OLED Materials: Intermediate for electronic chemicals used in display technologies.
• Analytical Chemistry & Research: Serves as a standard or reagent in chemical analysis and academic research.
• Corrosion Inhibitor Formulation: Component in specialty formulations for metal surface treatment.

Basic Information

Product Name	1,7-Dihydroxynaphthalene
CAS No.	575-38-2
Molecular Formula	C₁₀H₈O₂
Molecular Weight	160.17 g/mol
Synonyms	1,7-Naphthalenediol; 1,7-Dihydroxynaphthalene; 1,7-Naphthalene diol; 1,7-Dihydroxynaphthalin; NSC 404080; CI 76615
EINECS	209-383-7

Quality Control

Our 1,7-Dihydroxynaphthalene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and melting point, to ensure it meets the high standards required for industrial and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, prolonged exposure to air should be minimized. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.