Description

Aminonaphtylsulphonate Sodium CAS NO 30605-57-3 is the sodium salt of an amino-substituted naphthalenesulfonic acid derivative, serving as a key intermediate in the synthesis of dyes and pigments. This compound is valued for its role in producing vibrant, color-fast azo dyes and for its utility in specialized analytical chemistry applications. It is primarily required by manufacturers in the dye and pigment industry, as well as by research and development laboratories focusing on organic synthesis and colorant technology.

Application

• Primary intermediate for the synthesis of azo dyes and pigments, particularly for textiles, inks, and plastics.
• Key starting material in the production of acid dyes used for wool, silk, and nylon.
• Reagent in analytical chemistry for specific colorimetric detection methods.
• Potential use in the research and development of functional dyes for non-textile applications.
• Intermediate for specialty chemicals used in paper coloration and coating formulations.
• Building block in organic synthesis for compounds with sulfonic acid functionality.

Basic Information

Product Name	Aminonaphtylsulphonate Sodium
CAS No.	30605-57-3
Molecular Formula	C10H8NNaO3S
Molecular Weight	245.23 g/mol
Synonyms	1-Aminonaphthalene-4-sulfonic Acid Sodium Salt; 4-Amino-1-naphthalenesulfonic Acid Sodium Salt; 1-Naphthylamine-4-sulfonic Acid Sodium Salt; Sodium 4-Amino-1-naphthalenesulfonate; 4-Amino-1-naphthalenesulfonate Sodium Salt; 1,4-Cleve's Acid Sodium Salt; Sodium 1-Aminonaphthalene-4-sulfonate
EINECS	Contact for details

Quality Control

Our Aminonaphtylsulphonate Sodium is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance as a chemical intermediate. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Content (KF)	Contact for details
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.