Description

Sodium 8-Aminonaphthalene-1,6-Disulphonate is a high-purity, water-soluble aromatic intermediate essential for the synthesis of advanced colorants and functional materials. Its dual sulfonate groups and primary amine functionality make it a versatile building block for creating molecules with specific optical and chemical properties. This compound is primarily sought after by manufacturers in the dye, pigment, and specialty chemical industries for producing high-value azo dyes, fluorescent markers, and corrosion inhibitors.

Application

• Azo Dye Intermediate: A key precursor for the synthesis of acid dyes and direct dyes used in textile, leather, and paper coloring.
• Fluorescent Whitening Agent (FWA) Synthesis: Used in the manufacture of optical brighteners for detergents, plastics, and paper products.
• Corrosion Inhibitor Formulation: Serves as a component in specialty chemical formulations designed to protect metal surfaces in industrial systems.
• Pharmaceutical Intermediate: Employed in the research and development of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Liquid Crystal & Electronic Material: Acts as a building block for advanced organic materials used in displays and electronic applications.
• Analytical Reagent: Utilized in laboratory settings as a reagent or standard in chemical analysis and research.

Basic Information

Product Name	Sodium 8-Aminonaphthalene-1,6-Disulphonate
CAS No.	6967-48-2
Molecular Formula	C10H7NNa2O6S2
Molecular Weight	363.27 g/mol
Synonyms	8-Amino-1,6-naphthalenedisulfonic Acid Disodium Salt; 1,6-Cleve's Acid Disodium Salt; 8-Amino-1,6-naphthalenedisulfonate Disodium Salt; 1,6-Naphthalenedisulfonic Acid, 8-Amino-, Disodium Salt; 8-Aminonaphthalene-1,6-disulfonic Acid Disodium Salt; 1,6-Cleve Acid; Acid Red 359 (precursor); C.I. 17200 (related)
EINECS	230-166-8

Quality Control

Our Sodium 8-Aminonaphthalene-1,6-Disulphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results of tests such as assay, moisture content, and heavy metals is provided with each shipment to guarantee traceability and compliance with your quality 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 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
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.