Description

Didodecylbenzenesulphonic Acid is a high-molecular-weight organic sulfonic acid widely used as a key intermediate and surfactant. This compound is valued for its excellent surface-active properties and its role as a precursor in the synthesis of specialized chemicals. It is essential for manufacturers in the lubricant, polymer, and specialty surfactant industries seeking to enhance product performance and stability.

Application

• Lubricant Additive: Acts as a detergent and dispersant in engine oils and industrial lubricants to prevent sludge formation.
• Polymer Industry: Serves as an emulsifier and catalyst in polymerization processes for plastics and resins.
• Surfactant Synthesis: A crucial raw material for producing high-performance anionic surfactants used in industrial cleaners and emulsifiers.
• Corrosion Inhibitor: Used in formulations for metalworking fluids and fuel additives to protect against rust and corrosion.
• Catalyst & Intermediate: Employed in organic synthesis as an acid catalyst and as a building block for more complex sulfonated compounds.
• Textile & Leather Processing: Functions as a wetting agent and dye leveling assistant in various treatment baths.

Basic Information

Product Name	Didodecylbenzenesulphonic Acid
CAS No.	28679-14-3
Molecular Formula	C30H54O3S
Molecular Weight	494.81 g/mol
Synonyms	Dodecylbenzenesulfonic Acid, Dodecyl Ester; Bis(dodecyl)benzenesulfonic Acid; Lauryl Benzenesulfonate; Dodecylbenzenesulfonic Acid Dodecyl Ester; DDBSA Dodecyl Ester; Benzenesulfonic Acid, Didodecyl Ester; 1-Dodecanol Benzenesulfonate; Lauryl Benzenesulphonate
EINECS	249-162-8

Quality Control

Our Didodecylbenzenesulphonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity and performance, meeting the specifications required for industrial applications. A Certificate of Analysis (COA) detailing key parameters is provided with each 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. Recommended storage temperature is between 15°C and 25°C. This product is a strong acid/organic solvent; handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Viscous liquid, light yellow to amber
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0 %
Water Content (KF)	≤ 1.0 %
Sulfuric Acid (as H₂SO₄)	≤ 2.0 %
Specific Gravity (20°C)	0.90 - 1.00

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