Description

5-Amino-1-Hydroxy-2-Naphthoic Acid is a versatile naphthalene derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional structure, featuring both an amino and a carboxylic acid group, makes it a valuable intermediate for creating complex molecules with specific optical and chemical properties. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop high-performance products.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a core intermediate for producing azo dyes, pigments, and optical brighteners.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new organic compounds and materials science.
• Coordination Chemistry: Acts as a chelating ligand for metal ions in catalyst design and metal-organic framework (MOF) synthesis.
• Polymer Additive: Potential use as a monomer or functional additive in specialty polymer formulations.

Basic Information

Product Name	5-Amino-1-Hydroxy-2-Naphthoic Acid
CAS No.	67338-60-7
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	5-Amino-1-hydroxy-2-naphthalenecarboxylic acid; 1-Hydroxy-5-amino-2-naphthoic acid; 5-Amino-1-naphthol-2-carboxylic acid; 2-Naphthoic acid, 5-amino-1-hydroxy-; AHNA; 5-AHNA
EINECS	Contact for details

Quality Control

Our 5-Amino-1-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 and industry standards. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (IR)	Conforms
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.