Description

2,7-Dihydroxynaphthalene is a high-purity dihydroxy-substituted naphthalene derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in its dual phenolic functionality, which makes it a versatile building block for creating complex molecules with specific optical and chemical properties. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty dye industries seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a core intermediate for producing azo dyes, optical brighteners, and other high-performance colorants.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and epoxy hardeners.
• Liquid Crystal and OLED Materials: Utilized in the development of organic electronic materials due to its rigid, planar structure.
• Analytical Chemistry: Employed as a standard or reagent in chromatographic analysis and biochemical research.
• Corrosion Inhibitor Formulation: A component in specialty chemical formulations designed to protect metal surfaces.

Basic Information

Item	Details
Product Name	2,7-Dihydroxynaphthalene
CAS No.	582-17-2
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	2,7-Dihydroxynaphthalene; 2,7-Naphthalenediol; 2,7-Naphthalene diol; NSC 404080; 2,7-Dihydroxy-naphthalin; beta,beta'-Dihydroxynaphthalene; CI 76605
EINECS	209-479-7

Quality Control

Our 2,7-Dihydroxynaphthalene is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	190°C - 195°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.