Description

8-Hydroxynaphthalene-2-Carboxylic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional structure, featuring both a phenolic hydroxyl and a carboxylic acid group, makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is essential for manufacturers and R&D chemists in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs), diagnostic agents, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a coupling agent and chromophore component for producing azo dyes, pigments, and optical brighteners.
• Coordination Chemistry & Metal Chelation: Acts as a ligand for metal ions, useful in catalyst design and metal extraction processes.
• Polymer Modification: Employed to introduce functional groups into polymer backbones, enhancing properties like adhesion, UV stability, or biocompatibility.
• Research & Development: A valuable scaffold in medicinal chemistry and material science research for exploring new chemical entities.

Basic Information

Product Name	8-Hydroxynaphthalene-2-Carboxylic Acid
CAS No.	5776-28-3
Molecular Formula	C11H8O3
Molecular Weight	188.18 g/mol
Synonyms	2-Hydroxy-8-naphthoic Acid; 8-Hydroxy-2-naphthoic Acid; 2-Carboxy-8-hydroxynaphthalene; 8-Hydroxynaphthalene-2-carboxylic acid; β-Hydroxynaphthoic Acid; 8-HNA; 2-Naphthoic acid, 8-hydroxy-; NSC 403697
EINECS	227-307-9

Quality Control

Our 8-Hydroxynaphthalene-2-Carboxylic Acid is manufactured under a strict quality management system. Each batch is subjected to rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthesis and research. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 acids and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	218°C - 222°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.