Description

5-Hydroxy-2-Napthalene Carboxylic Acid is a versatile organic intermediate of significant commercial importance, primarily used in the synthesis of dyes, pigments, and advanced organic compounds. Its value lies in its bifunctional structure, featuring both a carboxylic acid and a phenolic hydroxyl group, which allows for selective reactions and derivatization. This compound is essential for manufacturers in the dyestuff, pharmaceutical, and agrochemical industries seeking to produce high-performance colorants or complex molecular architectures.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, lake pigments, and other high-value colorants.
• Pharmaceutical Synthesis: Used as a building block for active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Production: Serves as an intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Liquid Crystal Materials: A potential monomer or intermediate in the production of advanced display materials.
• Polymer Additives: Can be utilized to create UV stabilizers, antioxidants, or other functional additives for plastics and coatings.
• Research & Development: Employed in academic and industrial R&D for novel organic synthesis and material science projects.

Basic Information

Product Name	5-Hydroxy-2-Napthalene Carboxylic Acid
CAS No.	2437-18-5
Molecular Formula	C11H8O3
Molecular Weight	188.18 g/mol
Synonyms	5-Hydroxy-2-naphthoic acid; 2-Naphthoic acid, 5-hydroxy-; 5-Hydroxynaphthalene-2-carboxylic acid; 2-Carboxy-5-hydroxynaphthalene; 5-HNA; NSC 403697
EINECS	219-432-5

Quality Control

Our 5-Hydroxy-2-Napthalene Carboxylic Acid is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and fine chemical applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. For long-term storage, consider using an inert atmosphere to minimize potential oxidation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.