Description

7-Amino-2-Naphthol Hydrochloride is a versatile aromatic amine derivative used as a key intermediate in the synthesis of complex organic molecules. Its primary value lies in its bifunctional nature, featuring both an amino group and a phenolic hydroxyl group, which allows for selective reactions and coupling. This compound is essential for manufacturers in the dye, pigment, and pharmaceutical industries, where it serves as a crucial building block for azo dyes, functional polymers, and active pharmaceutical ingredients (APIs).

Application

• Dye and Pigment Intermediate: A critical precursor for the synthesis of azo dyes and high-performance organic pigments, contributing to color strength and fastness properties.
• Pharmaceutical Synthesis: Used as a versatile building block in the production of various active pharmaceutical ingredients (APIs) and diagnostic agents.
• Polymer Chemistry: Acts as a monomer or functionalizing agent in the creation of specialty polymers, including polyamides and epoxy resins.
• Chemical Research & Development: Serves as a standard or starting material in organic synthesis for novel compound libraries and material science applications.
• Photographic Chemicals: Employed in the formulation of certain photographic developers and sensitizers.
• Corrosion Inhibitors: A component in formulations designed to protect metals in industrial processes.

Basic Information

Product Name	7-Amino-2-Naphthol Hydrochloride
CAS No.	51761-16-1
Molecular Formula	C₁₀H₉NO·HCl
Molecular Weight	195.65 g/mol
Synonyms	2-Naphthol-7-amine hydrochloride; 7-Amino-2-hydroxynaphthalene hydrochloride; 2-Hydroxy-7-naphthylamine hydrochloride; 7-Amino-β-naphthol hydrochloride; 7-Amino-2-naphthalenol hydrochloride; 2-Amino-7-naphthol hydrochloride (common misnomer); 7-Amino-2-naphthol HCl
EINECS	Contact for details

Quality Control

Our 7-Amino-2-Naphthol Hydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates and meets the stringent requirements of industrial chemical applications.

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 degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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