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Its key selling points include superior performance in hard water and high-salt environments where typical soaps fail, making it indispensable for industrial cleaning, textile dyeing, and agrochemical formulations. It effectively emulsifies heavy oils and waxes into stable mixtures. In pharmaceuticals, it serves as a trusted stool softener by enabling water and fats to penetrate fecal matter. As a versatile, rapid-penetrating agent with robust chemical stability, it remains a critical functional additive for solving difficult wetting and emulsification challenges across diverse industries.
Items | Specifications | Results |
Appearance（25℃） | White paste | Conforms |
Odor | Typical | Conforms |
pH(10% aq,25℃) | 5.00-7.50 | 6.54 |
Sodium content (%) | 50.0±2.0 | 49.1 |
Germs (CFU/ml) | MAX 100 | 0 |
Yeast & Mould (CFU/ml) | MAX 100 | 0 |
Conclusion | The product conforms to the above specifications. | |
Disodium 4-dodecyl 2-sulphonatosuccinate, commonly known as Dioctyl Sodium Sulfosuccinate (DOSS) or by the brand name Aerosol OT, is a powerful anionic surfactant and wetting agent. Its chemical structure consists of a sulfosuccinate ester with two branched alkyl chains (often derived from 2-ethylhexanol, though "dodecyl" implies a C12 chain variant, the generic term often covers this class).
Does it have the selling points of the previous compounds?
No. It does not share the specific selling points of the fluorinated diol (metabolic stability, chiral synthesis) or Simvastatin (cholesterol lowering).
Unlike the Fluorinated Diol: It is not a building block for complex organic synthesis to alter drug metabolism. It is a finished functional additive.
Unlike Simvastatin: It is not a therapeutic drug for internal metabolic regulation (in fact, oral ingestion in large quantities acts as a laxative/emetic, not a cholesterol reducer).
What are its ACTUAL Selling Points?
The value of Disodium 4-dodecyl 2-sulphonatosuccinate lies entirely in its surface chemistry properties:
Exceptional Wetting Ability:
It drastically lowers the surface tension of water (down to ~25 dynes/cm), allowing liquids to spread instantly over hydrophobic surfaces (waxes, oils, plastics). This is its primary selling point.
High Solubility & Stability:
Unlike many soap-based surfactants, it remains soluble and effective in hard water, high salt concentrations, and across a wide pH range (acidic to alkaline).
Emulsification of Heavy Oils:
It is highly effective at emulsifying mineral oils, fats, and waxes into stable oil-in-water emulsions, making it vital for lubricants and cutting fluids.
Rapid Penetration:
In textile and paper industries, it allows dyes and finishes to penetrate fibers rapidly and uniformly.
Laxative Action (Pharmaceutical Grade):
In medicine (e.g., Colace), its selling point is its ability to soften stool by allowing water and fats to penetrate fecal matter, acting as a stool softener rather than a stimulant.
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