Description

Sodium 4-Methoxynaphthalenesulphonate is a high-purity organic sulfonate salt, a key intermediate and functional additive in advanced chemical synthesis. Its value lies in its ability to impart water solubility, modify surface properties, and act as a precursor in the production of dyes, pigments, and specialty chemicals. This compound is essential for manufacturers in the dyestuff, pharmaceutical intermediate, and specialty surfactant industries seeking reliable, high-quality raw materials.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of acid dyes, reactive dyes, and naphthol-based pigments, providing the sulfonate group for water solubility and fiber affinity.
• Pharmaceutical Synthesis: Used as an intermediate or a sulfonating agent in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Surfactant and Dispersant: Functions as an anionic surfactant or dispersing agent in formulations requiring wetting, emulsifying, or particle stabilization properties.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis for introducing the methoxynaphthalene sulfonate moiety into target molecules.
• Photographic Chemicals: Can be utilized in the formulation of certain photographic developers and sensitizers.
• Electroplating Additives: Acts as a brightener or leveling agent in specialized electroplating baths.

Basic Information

Product Name	Sodium 4-Methoxynaphthalenesulphonate
CAS No.	84473-60-9
Molecular Formula	C11H9NaO4S
Molecular Weight	260.24 g/mol
Synonyms	4-Methoxy-1-naphthalenesulfonic Acid Sodium Salt; Sodium 4-Methoxy-1-naphthalenesulfonate; 1-Naphthalenesulfonic acid, 4-methoxy-, sodium salt; 4-Methoxynaphthalene-1-sulfonic Acid Sodium Salt; NSC 403764
EINECS	Contact for details

Quality Control

Our Sodium 4-Methoxynaphthalenesulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. A comprehensive Certificate of Analysis (COA) detailing the results for assay, related substances, and other critical parameters is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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). Keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm
Solubility	Freely soluble in water

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