Description

2-Hydroxy-3-Naphtoamide is a versatile organic intermediate belonging to the naphthalene derivative family, identified by CAS NO 3665-51-8. This compound is valued for its functional groups which make it a key building block in the synthesis of more complex molecules, particularly in the production of high-performance pigments and dyes. It is essential for manufacturers and R&D laboratories in the chemical, pharmaceutical, and specialty materials sectors seeking reliable, high-purity intermediates for advanced synthesis.

Application

• Pigment and Dye Intermediate: A crucial precursor in the synthesis of azo and other high-performance organic pigments, contributing to color strength and stability.
• Pharmaceutical Synthesis: Serves as a key building block for active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Chemical Research & Development: Used in academic and industrial R&D for exploring new synthetic pathways and novel compound libraries.
• Specialty Chemicals: Employed in the manufacture of functional materials, including liquid crystals and optical brighteners.
• Analytical Chemistry: Can be used as a standard or reagent in specific analytical methods and quality control procedures.

Basic Information

Product Name	2-Hydroxy-3-Naphtoamide
CAS No.	3665-51-8
Molecular Formula	C₁₁H₉NO₂
Molecular Weight	187.19 g/mol
Synonyms	2-Hydroxy-3-naphthamide; 3-Amino-2-naphthoic Acid (tautomer); 2-Naphthol-3-carboxamide; 3-Carbamoyl-2-naphthol; β-Hydroxynaphthoic Acid Amide; Naphthol AS (related compound class); 2-Hydroxy-3-naphthanilide (related); 2-Hydroxynaphthalene-3-carboxamide
EINECS	222-915-5

Quality Control

Our 2-Hydroxy-3-Naphtoamide is produced 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 supports compliance with cGMP and ISO standards for industrial and research 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 yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	245 - 250 °C
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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