CAS · 121-65-3
Product Overview
p-Dodecylbenzenesulfonic acid is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | Light yellow liquid |
|---|---|
| Purity (LC): | 90.0% min |
Applications
p-Dodecylbenzenesulfonic acid is a key anionic surfactant and chemical intermediate widely used in the detergent, emulsifier, and chemical manufacturing industries. It is primarily employed in the production of linear alkylbenzene sulfonate (LAS) detergents, which are used in laundry detergents, dishwashing liquids, and industrial cleaning formulations. Beyond detergents, it serves as an emulsifying and wetting agent in coatings, paints, and textile processing, improving dispersion and adhesion of active ingredients. It is also used in catalysis and organic synthesis as an acid catalyst for esterification, polymerization, and sulfonation reactions. Additionally, its surfactant properties make it valuable in oilfield chemicals for enhanced oil recovery, foam stabilization, and as a dispersant in various industrial applications.
Benefits
The benefits of p-Dodecylbenzenesulfonic acid arise from its strong surfactant activity, high solubility, and chemical stability. It effectively reduces surface tension, enabling efficient cleaning, wetting, and emulsification in various formulations. Its linear alkyl chain contributes to biodegradability and environmentally favorable properties, making it suitable for consumer products and industrial applications. The compound is also thermally and chemically stable, allowing it to maintain performance under high temperatures and harsh processing conditions. Its strong acidity enables dual functionality as both a surfactant and a catalytic acid in chemical reactions. Furthermore, it enhances dispersion and solubilization of hydrophobic materials, improving product consistency, efficiency, and overall performance.
Conclusion
p-Dodecylbenzenesulfonic acid (CAS 121-65-3) is a versatile surfactant and intermediate used in detergents, emulsifiers, coatings, and chemical synthesis. Its combination of high surface activity, stability, and biodegradability makes it essential for industrial, household, and specialty chemical applications. By improving solubility, emulsification, and catalytic performance, it supports efficient, high-performance formulations across multiple industries.
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