Description

Sodium 8-Chloronaphthalene-1-Sulfonate is a versatile organic sulfonate salt used as a key intermediate in the synthesis of dyes, pigments, and specialty chemicals. Its value lies in providing a functionalized naphthalene backbone that enables further chemical modifications for creating colorants and performance materials. This compound is essential for manufacturers and R&D laboratories in the dye, textile, and fine chemical industries seeking reliable, high-purity intermediates.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing azo dyes, acid dyes, and reactive dyes used in textiles, leather, and paper.
• Fluorescent Whitening Agent (FWA) Production: Serves as a precursor in the manufacture of optical brighteners for detergents and plastics.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) with naphthalene-based structures.
• Agrochemical Synthesis: Employed as an intermediate in the production of certain herbicides and pesticides.
• Research & Development: A valuable reagent for organic synthesis and material science research in academic and industrial settings.
• Surfactant and Dispersant Precursor: Can be modified to produce specialty surfactants for industrial applications.

Basic Information

Product Name	Sodium 8-Chloronaphthalene-1-Sulfonate
CAS No.	5439-85-0
Molecular Formula	C10H6ClNaO3S
Molecular Weight	264.66 g/mol
Synonyms	8-Chloronaphthalene-1-sulfonic acid sodium salt; 1-Naphthalenesulfonic acid, 8-chloro-, sodium salt; Sodium 8-chloro-1-naphthalenesulfonate; 8-Chloro-1-naphthalenesulfonic acid sodium salt; NSC 403119
EINECS	226-618-8

Quality Control

Our Sodium 8-Chloronaphthalene-1-Sulfonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	≤ 0.5%

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