Description

4-Amino-3-Hydroxy-2-Naphthoic Acid is a versatile naphthalene derivative that serves as a critical organic intermediate. Its bifunctional amino and hydroxy groups make it a valuable building block for synthesizing complex molecules with specific optical and chemical properties. This compound is essential for manufacturers in the pharmaceutical, dye, and advanced materials sectors seeking high-purity intermediates for research and production.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based structures.
• Dye and Pigment Manufacturing: Used in the production of azo dyes and high-performance pigments, contributing to color strength and stability.
• Ligand Synthesis: Serves as a chelating agent or ligand precursor in coordination chemistry for catalytic and analytical applications.
• Organic Synthesis Building Block: Employed in research and development for constructing complex heterocyclic compounds and fine chemicals.
• Analytical Reagent: Potential use as a standard or reagent in chromatographic analysis and biochemical assays.
• Material Science Research: Investigated for incorporation into polymers or organic electronic materials due to its conjugated structure.

Basic Information

Product Name	4-Amino-3-Hydroxy-2-Naphthoic Acid
CAS No.	13065-86-6
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	3-Hydroxy-4-amino-2-naphthoic acid; 4-Amino-3-hydroxy-2-naphthalenecarboxylic acid; 2-Naphthoic acid, 4-amino-3-hydroxy-; 4-Amino-3-hydroxynaphthalene-2-carboxylic acid; AHNA; 4-A-3-H-2-NA
EINECS	235-945-5

Quality Control

Our 4-Amino-3-Hydroxy-2-Naphthoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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