Description

1-Naphthalenesulfonic Acid, 5-Amino-, Monosodium Salt is a high-purity aromatic sulfonate salt with significant industrial utility. This compound serves as a versatile intermediate and functional additive, valued for its water-solubility and reactive amino and sulfonate groups. It is essential for manufacturers in the dye, pigment, and specialty chemical sectors seeking reliable, high-quality raw materials for synthesis and formulation.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of azo dyes, acid dyes, and organic pigments, contributing to color strength and stability.
• Corrosion Inhibitor Formulation: Used as an additive in cooling water systems and industrial fluids to prevent scale and corrosion on metal surfaces.
• Concrete Admixture: Acts as a raw material in the production of polycarboxylate-based superplasticizers to improve the workability and strength of concrete.
• Pharmaceutical Synthesis: Employed as a chemical intermediate in the manufacture of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Textile Auxiliary: Functions in dyeing and printing processes as a leveling agent or dispersant to ensure uniform color application.
• Research & Development: Serves as a standard or reagent in chemical research, analytical method development, and quality control laboratories.

Basic Information

Product Name	1-Naphthalenesulfonic Acid, 5-Amino-, Monosodium Salt
CAS No.	15092-40-7
Molecular Formula	C10H8NNaO3S
Molecular Weight	245.23 g/mol
Synonyms	5-Amino-1-naphthalenesulfonic acid sodium salt; Sodium 5-aminonaphthalene-1-sulfonate; 1-Naphthalenesulfonic acid, 5-amino-, sodium salt; 5-Amino-1-naphthalenesulphonic acid sodium salt; 5-Amino-1-naphthalenesulfonate sodium; 5-Amino-1-naphthalenesulfonic acid monosodium salt; 5-Amino-1-naphthalenesulfonic acid, sodium salt; 1-Naphthalenesulfonic acid, 5-amino-, monosodium salt
EINECS	239-148-7

Quality Control

Our 1-Naphthalenesulfonic Acid, 5-Amino-, Monosodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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