Description

Sodium 7-Methoxynaphthalene-2-Sulfonate is a high-purity, water-soluble sulfonate salt derived from a substituted naphthalene structure. This compound serves as a versatile and critical intermediate and functional additive in advanced chemical synthesis and material science. It is essential for manufacturers in the pharmaceutical, dye, and specialty chemical industries seeking reliable, high-quality raw materials for complex production processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based structures.
• Dye and Pigment Manufacturing: Used as a precursor or intermediate in the production of specialized dyes, pigments, and colorants, leveraging its sulfonate group for solubility and chromophore properties.
• Chemical Synthesis Reagent: Functions as a sulfonating agent or a charged moiety introducer in organic synthesis for research and industrial-scale reactions.
• Surfactant and Detergent Component: Acts as an anionic surfactant intermediate due to its hydrophilic sulfonate group, used in formulating specialized cleaning and wetting agents.
• Analytical Chemistry Standard: Serves as a reference standard or reagent in chromatographic analysis and other laboratory testing methods.
• Material Science Additive: Incorporated into polymers or coatings to modify solubility, ionic characteristics, or other physical properties.

Basic Information

Item	Detail
Product Name	Sodium 7-Methoxynaphthalene-2-Sulfonate
CAS No.	60949-02-2
Molecular Formula	C11H9NaO4S
Molecular Weight	260.24 g/mol
Synonyms	7-Methoxynaphthalene-2-sulfonic acid sodium salt; Sodium 7-methoxy-2-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 7-methoxy-, sodium salt; 7-Methoxy-2-naphthalenesulfonate sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 7-Methoxynaphthalene-2-Sulfonate is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, IR, and loss on drying, to ensure high purity and batch-to-batch consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

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); the container must be kept 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	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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