Description

Sodiumnaphthionate is the sodium salt of naphthionic acid, a key aromatic sulfonate intermediate. This compound is valued for its role as a versatile building block in the synthesis of azo dyes, pigments, and other specialty chemicals. It is essential for manufacturers in the dye and pigment, pharmaceutical, and chemical research industries seeking reliable, high-purity intermediates for complex synthesis.

Application

• Primary intermediate in the manufacture of azo dyes and pigments, contributing to color strength and stability.
• Key starting material for the synthesis of pharmaceutical intermediates and active ingredients.
• Used in research and development for creating specialty surfactants and functional chemicals.
• Employed as a coupling agent in various organic synthesis processes.
• Potential use in the formulation of analytical reagents and laboratory chemicals.
• Intermediate for producing optical brighteners and other performance chemicals.

Basic Information

Item	Detail
Product Name	Sodiumnaphthionate
CAS No.	64326-13-2
Molecular Formula	C10H8NNaO3S
Molecular Weight	245.23 g/mol
Synonyms	4-Amino-1-naphthalenesulfonic acid sodium salt; 1-Naphthylamine-4-sulfonic acid sodium salt; Sodium 4-aminonaphthalene-1-sulfonate; Naphthionic acid sodium salt; 4-Amino-1-naphthalenesulphonic acid sodium salt; Sodium 1-naphthylamine-4-sulfonate; 1-Amino-4-naphthalenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodiumnaphthionate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 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 tan powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (1% in Water)	Clear, yellow solution

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