Description

1,2-Dihydroxynaphthalene is a versatile aromatic diol compound, also known as 1,2-naphthalenediol, with the CAS number 574-00-5. It serves as a critical building block and intermediate in the synthesis of complex organic molecules, valued for its two adjacent phenolic hydroxyl groups which enable diverse chemical transformations. This compound is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty dye industries, where it is used to create advanced functional materials and active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a crucial intermediate for producing azo dyes, pigments, and colorants for textiles and plastics.
• Polymer Stabilizer: Acts as an antioxidant and stabilizer in polymer formulations to prevent degradation.
• Chemical Research & Development: Employed as a standard or reagent in organic synthesis and catalysis studies.
• Photographic Chemicals: Used in the formulation of certain photographic developers and sensitizers.
• Chelating Agent: Functions as a ligand for metal ions in analytical chemistry and material science.

Basic Information

Product Name	1,2-Dihydroxynaphthalene
CAS No.	574-00-5
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	1,2-Naphthalenediol; 1,2-Naphthohydroquinone; 1,2-Dihydroxynaphthalin; NSC 404080; C.I. 76625; o-Dihydroxynaphthalene; 1,2-Dihydroxy-naphthalene
EINECS	209-365-8

Quality Control

Our 1,2-Dihydroxynaphthalene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) with detailed test results are provided for full traceability and quality assurance.

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 sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. 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	100 - 105 °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.