Description

1,5-Dihydroxy Naphthalene is a high-purity organic compound, also known as 1,5-Naphthalenediol, serving as a versatile intermediate in advanced chemical synthesis. Its value lies in its dual phenolic hydroxyl groups, which make it a critical building block for dyes, pigments, and specialty polymers. This product is essential for manufacturers in the dye and pigment, pharmaceutical, and agrochemical industries seeking reliable, high-quality raw materials for their production processes.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other complex colorants.
• Pharmaceutical Synthesis: Used as a building block in the manufacture of certain active pharmaceutical ingredients (APIs) and research chemicals.
• Agrochemical Formulations: Employed in the production of specific pesticides and herbicides.
• Polymer and Resin Modifier: Acts as a monomer or cross-linking agent in the production of specialty polymers, epoxy resins, and polyurethanes.
• Chemical Research & Development: Serves as a standard or reagent in organic synthesis and material science research.
• Photographic Chemicals: Used in the formulation of certain photographic developers and sensitizers.

Basic Information

Item	Details
Product Name	1,5-Dihydroxy Naphthalene
CAS No.	83-56-7
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	1,5-Naphthalenediol; 1,5-Dihydroxynaphthalene; 1,5-Naphthohydroquinone; NSC 3778; CI 76625; Azogen Developer 6; 1,5-Dihydroxynaphtalene
EINECS	201-487-8

Quality Control

Our 1,5-Dihydroxy Naphthalene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be kept under an inert atmosphere for long-term storage. 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	258°C - 265°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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