Description

2,8-Dihydroxy-3-naphthoic acid is a versatile naphthalene derivative featuring both carboxylic acid and phenolic hydroxyl functional groups. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex organic molecules, particularly dyes, pigments, and pharmaceutical compounds. It is essential for manufacturers and R&D laboratories in the fine chemical, agrochemical, and specialty materials sectors seeking to build advanced molecular architectures.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of high-performance azo dyes, naphthol AS series pigments, and other colorants for textiles, inks, and plastics.
• Pharmaceutical Synthesis: Serves as a crucial building block for active pharmaceutical ingredients (APIs) and other bioactive molecules due to its naphthalene core and reactive sites.
• Agrochemical Development: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Chelating Agent: The hydroxyl and carboxyl groups allow it to act as a ligand for metal ions in catalytic systems or analytical chemistry.
• Polymer and Material Science: Incorporated into specialty polymers, resins, or organic electronic materials to modify properties like thermal stability or optical characteristics.
• Research & Development: A valuable reagent in organic synthesis for academic and industrial research exploring new chemical entities and reaction pathways.

Basic Information

Product Name	2,8-Dihydroxy-3-naphthoic Acid
CAS No.	16715-77-8
Molecular Formula	C11H8O4
Molecular Weight	204.18 g/mol
Synonyms	3-Naphthoic acid, 2,8-dihydroxy-; 2,8-Dihydroxynaphthalene-3-carboxylic acid; 2,8-Dihydroxy-3-naphthalenecarboxylic acid; 2,8-Dihydroxy-β-naphthoic acid; 2,8-Dihydroxynaphthoic acid; 2,8-DHNA; NSC 403697
EINECS	240-764-8

Quality Control

Our 2,8-Dihydroxy-3-naphthoic acid 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 specifications for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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