Description

Sodium 8-Aminonaphthalene-2-Sulphonate is a high-purity, water-soluble aromatic sulfonate salt that serves as a critical intermediate in advanced organic synthesis. Its value lies in the unique reactivity of its amino and sulfonate functional groups, enabling the production of specialized dyes, pigments, and fluorescent markers. This compound is essential for manufacturers and R&D laboratories in the dyestuff, analytical chemistry, and specialty chemical sectors seeking reliable, high-quality building blocks.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and reactive dyes for textiles, leather, and paper.
• Fluorescent Probe Synthesis: Used to create naphthalene-based fluorescent tags and sensors for biological and chemical detection applications.
• Chemical Research & Development: Serves as a versatile building block for novel organic compounds in pharmaceutical and material science research.
• Corrosion Inhibitor Formulation: Acts as an effective component in industrial water treatment and metal surface treatment formulations.
• Photographic Chemical: Employed in the manufacture of certain photographic developers and sensitizers.
• Analytical Reagent: Utilized as a standard or reagent in chromatographic analysis and other laboratory testing procedures.

Basic Information

Product Name	Sodium 8-Aminonaphthalene-2-Sulphonate
CAS No.	6322-37-8
Molecular Formula	C10H8NNaO3S
Molecular Weight	245.23 g/mol
Synonyms	8-Amino-2-naphthalenesulfonic acid sodium salt; 2-Naphthylamine-8-sulfonic acid sodium salt; Sodium 8-amino-2-naphthalenesulfonate; 8-Amino-2-naphthalenesulfonate sodium salt; 1-Aminonaphthalene-7-sulfonic acid sodium salt; 8-Amino-2-naphthalenesulphonic acid sodium salt; 2-Amino-8-naphthalenesulfonic acid sodium salt; Chicago Acid sodium salt
EINECS	228-676-7

Quality Control

Our Sodium 8-Aminonaphthalene-2-Sulphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and laboratory use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistent quality.

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 product is hygroscopic (moisture-sensitive); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, complete solution

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