Description

Methyloctadecylbenzenesulphonic Acid is a high-molecular-weight organic sulfonic acid, valued for its surfactant and acidic properties. This compound is essential as a key intermediate in the synthesis of specialized surfactants, emulsifiers, and corrosion inhibitors. It is primarily required by manufacturers in the industrial cleaning, agrochemical, and lubricant additive sectors for its ability to modify surface activity and provide stable formulations.

Application

• Surfactant Intermediate: A crucial raw material for synthesizing anionic surfactants used in industrial and institutional cleaners.
• Emulsifier Production: Used in the manufacture of emulsifying agents for agrochemical formulations like herbicides and pesticides.
• Corrosion Inhibitor Component: Serves as a precursor in creating additives for lubricants and metalworking fluids to prevent rust and corrosion.
• Textile Processing Aid: Employed in dyeing and finishing processes as a wetting and leveling agent.
• Catalyst and Acidulant: Functions as an acid catalyst in specific organic synthesis reactions and esterification processes.
• Petroleum Additive: Used in the formulation of additives for fuel and oil to improve detergency and dispersion.

Basic Information

Product Name	Methyloctadecylbenzenesulphonic Acid
CAS No.	56448-49-8
Molecular Formula	C₂₅H₄₄O₃S
Molecular Weight	424.68 g/mol
Synonyms	p-Methyloctadecylbenzenesulfonic Acid; 4-Methyloctadecylbenzenesulfonic Acid; Benzenesulfonic acid, 4-methyloctadecyl-; Octadecyl-p-toluenesulfonic Acid; Stearyl p-toluenesulfonic Acid; C18-alkylbenzenesulfonic acid (methyl derivative); Long-chain alkylbenzenesulfonic acid
EINECS	Contact for details

Quality Control

Our Methyloctadecylbenzenesulphonic Acid is produced under a stringent quality management system. Each batch is tested to ensure consistent purity and performance, with specifications tailored to meet the demands of industrial applications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its strong acid/organic solvent nature, containers should be kept tightly sealed to prevent moisture absorption and contamination. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Light yellow to brown viscous liquid or paste
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content	≤ 2.0%
Free Sulfuric Acid	≤ 1.5%
Color (Gardner)	≤ 8

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