Description

Sodium 3-Hydroxynaphthalenesulphonate is a key organic intermediate and dye component with significant industrial utility. This compound is valued for its role as a coupling agent and building block in the synthesis of more complex colorants and specialty chemicals. It is primarily required by manufacturers in the dye and pigment, pharmaceutical, and agrochemical industries for producing azo dyes, pigments, and other functional intermediates.

Application

• Primary intermediate in the manufacture of azo dyes and pigments.
• Coupling agent for producing colorants for textiles, leather, and paper.
• Key starting material or intermediate in pharmaceutical synthesis.
• Building block for agrochemicals and crop protection agents.
• Used in research and development of specialty chemicals and functional materials.
• Potential component in the formulation of corrosion inhibitors or other industrial additives.

Basic Information

Product Name	Sodium 3-Hydroxynaphthalenesulphonate
CAS No.	93804-66-1
Molecular Formula	C₁₀H₇NaO₄S
Molecular Weight	246.21 g/mol
Synonyms	3-Hydroxynaphthalene-1-sulfonic Acid Sodium Salt; 3-Naphthol-1-sulfonic Acid Sodium Salt; Sodium 3-Naphthol-1-sulfonate; 1-Naphthol-3-sulfonic Acid Sodium Salt; NSC 403801; 3-Hydroxy-1-naphthalenesulfonic Acid Sodium Salt
EINECS	Contact for details

Quality Control

Our Sodium 3-Hydroxynaphthalenesulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the specifications required for industrial and fine chemical synthesis. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is available for every shipment upon request.

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.

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	Contact for details
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Contact for details

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