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Here's a concise explanation of Dodecylbenzenesulphonic acid (DDBSA/DBSA):
Dodecylbenzenesulphonic acid (C₁₈H₃₀O₃S) is a dark, viscous, strong organic acid and key anionic surfactant. Its structure combines a hydrophobic 12-carbon chain (dodecyl) attached to a benzene ring with a hydrophilic sulfonic acid group (-SO₃H).
Key Properties:
Strong acid (corrosive)
Excellent surfactant (lowers surface tension)
Hygroscopic
Primary Uses:
Main use: Raw material for Linear Alkylbenzene Sulfonate (LABS/LAS), the dominant surfactant in liquid detergents, soaps, and cleaners.
Industrial cleaner emulsifier.
Acid catalyst in chemical synthesis.
Handle with care due to corrosiveness. Its detergent derivatives require proper wastewater treatment.
| Items | Specifications | Results |
| Appearance | Brown viscous liquid | Brown viscous liquid |
| Active matter | ≥96% | 96.37% |
| Inorganic acid | ≤1.5% | 0.74% |
| Free oil | ≤2.0% | 1.01% |
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| Product parameters | |
| Cas number: | 27176-87-0 |
| Appearance: | Brown viscous liquid |
| Purity: | 96%min |
| Package details: | 210kg/drum |
| Brand: | Fortunachem |
It can be used as a curing catalyst for amino baking varnish, for the preparation of various liquids, solid detergents.


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