Description

2-Hydroxy-3-Naphthoic Acid Sodium Salt is the sodium salt derivative of a key naphthoic acid intermediate, offering enhanced solubility and stability for industrial synthesis. This compound is valued for its role as a versatile coupling component and chemical building block in the production of high-performance pigments and dyes. It is essential for manufacturers in the colorant, specialty chemical, and pharmaceutical intermediate sectors seeking reliable, high-purity raw materials.

Application

• Primary coupling component in the synthesis of azo pigments, particularly for high-grade Pigment Red and other organic red pigments.
• Key intermediate in the production of dyes for textiles, inks, and plastics, providing excellent color fastness and thermal stability.
• Chemical precursor in pharmaceutical research for developing novel active pharmaceutical ingredients (APIs).
• Used in the manufacture of liquid crystal displays (LCDs) and other electronic materials as a functional intermediate.
• Research and development reagent in organic synthesis laboratories for constructing complex polycyclic structures.
• Potential additive or intermediate in the formulation of specialty coatings and advanced polymer materials.

Basic Information

Product Name	2-Hydroxy-3-Naphthoic Acid Sodium Salt
CAS No.	14206-62-3
Molecular Formula	C11H7NaO3
Molecular Weight	210.16 g/mol
Synonyms	3-Hydroxy-2-naphthoic acid sodium salt; Sodium 3-hydroxy-2-naphthoate; 2-Naphthol-3-carboxylic acid sodium salt; BON Acid Sodium Salt; β-Oxynaphthoic Acid Sodium Salt; Azoic Coupling Component 5 Sodium Salt; Naphthol AS Sodium Salt
EINECS	238-073-9

Quality Control

Our 2-Hydroxy-3-Naphthoic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 after opening to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Off-white to light beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
pH (5% Solution)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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