Description

5-Methyl-1-Naphthalenesulfonic Acid is a specialized organic sulfonic acid derivative, valued for its strong acidity and solubility in organic media. This compound serves as a versatile intermediate and catalyst in advanced chemical synthesis, offering precise reactivity for demanding industrial processes. It is primarily required by manufacturers in the fine chemicals, agrochemical, and pharmaceutical sectors for applications such as dye synthesis, polymer modification, and as a catalyst or surfactant precursor.

Application

• Intermediate in the synthesis of dyes, pigments, and optical brighteners.
• Catalyst or co-catalyst in organic synthesis and polymerization reactions.
• Precursor for the manufacture of specialty surfactants and leveling agents.
• Building block in pharmaceutical and agrochemical active ingredient development.
• Used in electroplating baths and metal surface treatment formulations.
• Acidulant and pH adjuster in specialized chemical processes.

Basic Information

Product Name	5-Methyl-1-Naphthalenesulfonic Acid
CAS No.	68487-68-3
Molecular Formula	C₁₁H₁₀O₃S
Molecular Weight	222.26 g/mol
Synonyms	1-Naphthalenesulfonic acid, 5-methyl-; 5-Methylnaphthalene-1-sulfonic acid; 5-Methyl-1-naphthalenesulphonic acid; 5-Methyl-1-naphthylsulfonic acid; 5-Methylnaphthalenesulfonic acid; 5-Methyl-1-naphthalene sulfonic acid; 5-Methyl-1-naphthalenesulfonate
EINECS	Contact for details

Quality Control

Our 5-Methyl-1-Naphthalenesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee compliance with your process requirements.

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 bases, oxidizing agents, and incompatible materials. Due to its strong acid nature, ensure containers are kept upright and sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Off-white to light tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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