Description

p-(3-Dodecyl)Benzenesulphonic Acid is a specialized organic sulfonic acid derivative characterized by its long alkyl chain. This structural feature makes it a valuable anionic surfactant intermediate and a versatile acid catalyst for various organic synthesis processes. It is essential for manufacturers in the chemical synthesis, detergent, and specialty materials sectors seeking to produce high-performance surfactants or facilitate specific acid-catalyzed reactions.

Application

• Surfactant & Detergent Intermediate: A key raw material for synthesizing high-performance anionic surfactants used in industrial and institutional cleaning formulations.
• Acid Catalyst in Organic Synthesis: Employed as a catalyst in alkylation, esterification, and condensation reactions, offering advantages in selectivity and ease of separation.
• Emulsifier and Dispersant: Used in the formulation of agricultural chemicals, coatings, and polymer emulsions where stable dispersion is required.
• Lubricant & Fuel Additive Component: Serves as a precursor for additives that improve detergency and anti-wear properties in lubricating oils and fuels.
• Textile & Leather Processing Aid: Acts as a wetting agent, levelling agent, or dyeing assistant in textile and leather treatment processes.
• Ion-Exchange Resin Synthesis: Utilized in the production of certain types of ion-exchange resins and polymeric materials.

Basic Information

Product Name	p-(3-Dodecyl)Benzenesulphonic Acid
CAS No.	18777-54-3
Molecular Formula	C18H30O3S
Molecular Weight	326.50 g/mol
Synonyms	4-(3-Dodecyl)benzenesulfonic Acid; Benzenesulfonic acid, 4-(3-dodecyl)-; p-Dodecylbenzenesulfonic Acid (branched chain isomer); 3-Dodecylbenzenesulfonic Acid; Branched Alkylbenzene Sulfonic Acid; Dodecylbenzene Sulfonic Acid (branched); BAS (branched); LDBSA
EINECS	Contact for details

Quality Control

Our p-(3-Dodecyl)Benzenesulphonic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance. A Certificate of Analysis (COA) detailing key parameters such as assay, acidity, and impurity profile is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Viscous liquid to paste
Color	Light yellow to amber
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0 %
Acid Value	Contact for details
Water Content (KF)	≤ 2.0 %
Sulfuric Acid Content	≤ 1.5 %
Unsulfonated Matter	≤ 2.0 %

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