Description

1,3-Dihydroxynaphthalene is a versatile aromatic diol compound, also known as naphthalene-1,3-diol, with the CAS number 132-86-5. It serves as a critical organic intermediate and building block in the synthesis of complex molecules, valued for its two reactive phenolic hydroxyl groups. This compound is essential for manufacturers in the agrochemical, dye, and pharmaceutical industries, where it is used to create active ingredients, pigments, and specialty chemicals.

Application

• Agrochemical Synthesis: Key intermediate in the production of certain herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Used as a precursor for azo dyes, naphthol AS series pigments, and other colorants for textiles and plastics.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of various active pharmaceutical ingredients (APIs).
• Polymer Additives: Can be utilized as an antioxidant or stabilizer monomer in polymer formulations.
• Chemical Research & Development: Employed in organic synthesis for creating complex polycyclic structures and ligands.
• Photographic Chemicals: Used in the formulation of certain developers and other photographic agents.

Basic Information

Item	Details
Product Name	1,3-Dihydroxynaphthalene
CAS No.	132-86-5
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	1,3-Naphthalenediol; Naphthalene-1,3-diol; 1,3-Dihydroxynaphthalene; 1,3-Naphthohydroquinone; 1,3-Dihydroxynaphthalin; NSC 403697; 1,3-DHN
EINECS	205-087-7

Quality Control

Our 1,3-Dihydroxynaphthalene is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters such as assay, melting point, and impurity profiles. Our quality commitment ensures the material meets the specifications required for your synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	120 - 125 °C
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.1 %

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