Description

Sodium 1-Naphthalenesulfonate is an important aromatic sulfonate salt widely used as a key intermediate and functional additive in various industrial processes. Its primary value lies in its role as a hydrotrope, surfactant, and dye intermediate, facilitating processes in chemical synthesis and material formulation. This compound is essential for manufacturers in the dye and pigment, textile, agrochemical, and construction chemical industries seeking reliable performance and consistent quality.

Application

• Dye and Pigment Intermediate: A crucial starting material in the synthesis of azo dyes and other colorants.
• Hydrotrope and Surfactant: Used to enhance the solubility of organic compounds in aqueous systems for cleaning formulations and process aids.
• Textile Auxiliary: Functions as a levelling agent, dispersant, or wetting agent in dyeing and finishing processes.
• Concrete Admixture: Acts as a raw material for the production of naphthalene-based superplasticizers to improve workability and reduce water content in concrete.
• Agrochemical Formulation: Employed as a dispersant or wetting agent in pesticide and herbicide preparations.
• Chemical Synthesis: Serves as a versatile building block for further organic synthesis to create more complex sulfonated compounds.
• Research & Development: Used in laboratories for method development and as a standard or reagent in analytical chemistry.

Basic Information

Product Name	Sodium 1-Naphthalenesulfonate
CAS No.	130-14-3
Molecular Formula	C10H7NaO3S
Molecular Weight	230.21 g/mol
Synonyms	1-Naphthalenesulfonic acid sodium salt; Sodium naphthalene-1-sulfonate; NSC 8427; 1-Naphthalenesulfonate sodium salt; α-Naphthalenesulfonic acid sodium salt; Sodium α-naphthalenesulfonate; 1-Naphthalenesulphonic acid sodium salt
EINECS	204-976-2

Quality Control

Our Sodium 1-Naphthalenesulfonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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