Description

Dodecylbenzenesulfonic Acid (DDBSA) is a high-purity, synthetic organic acid belonging to the alkylbenzene sulfonate family. This versatile intermediate is a critical raw material for the production of high-performance anionic surfactants, valued for its excellent detergency, foaming, and emulsifying properties. It is essential for manufacturers in the detergent, personal care, textile, and industrial cleaning sectors seeking reliable and consistent quality for their formulations.

Application

• Primary Surfactant Synthesis: The predominant use is as the key precursor for manufacturing linear alkylbenzene sulfonate (LAS) salts, the workhorse anionic surfactants in liquid and powder laundry detergents, dishwashing liquids, and all-purpose cleaners.
• Industrial & Institutional (I&I) Cleaners: Used in formulations for hard surface cleaners, degreasers, metal cleaning compounds, and vehicle wash products due to its powerful grease-cutting ability.
• Emulsion Polymerization: Serves as an effective emulsifier and stabilizer in the production of synthetic rubbers (e.g., SBR), plastics, and acrylic polymers.
• Textile Processing: Functions as a wetting agent, scouring agent, and emulsifier in textile manufacturing and dyeing processes.
• Personal Care: Found in select personal cleansing products, where its sulfonic acid form is neutralized to create mild surfactants.
• Acid Catalyst: Employed as a strong acid catalyst in various organic synthesis reactions within the chemical industry.
• Oilfield Chemicals: Used in formulations for demulsifiers and other production chemicals.
• Agricultural Adjuvants: Acts as a component in pesticide and herbicide formulations to enhance spreading and adhesion.

Basic Information

Product Name	Dodecylbenzenesulfonic Acid
CAS No.	121-65-3
Molecular Formula	C18H30O3S
Molecular Weight	326.50 g/mol
Synonyms	DDBSA; Dodecylbenzene Sulfonic Acid; Laurylbenzenesulfonic Acid; Benzenesulfonic acid, dodecyl-; Linear Alkylbenzene Sulfonic Acid (LAS Acid); n-Dodecylbenzenesulfonic Acid; Laurylbenzene Sulfonic Acid; ABS Acid (for branched alkyl chain variants)
EINECS	204-492-8

Quality Control

Our Dodecylbenzenesulfonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for active matter content, free oil, sulfuric acid, and color. A Certificate of Analysis (COA) documenting these results is provided with each shipment to guarantee consistency and performance for your downstream processes.

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. Due to its nature as a strong acid/organic solvent, use corrosion-resistant equipment and ensure containers are kept tightly sealed to prevent moisture absorption and maintain product integrity. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Viscous Brown Liquid
Identification (IR)	Conforms
Active Matter (Assay)	96.0% min
Free Oil (Unsulfonated Matter)	2.0% max
Sulfuric Acid	1.5% max
Color (5% in IPA, Klett)	80 max
Water Content	Contact for details

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