ROSULfan®D911 (Sodium salt of alcohol C9-C11)

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Chemical name
Sulfuric acid, mono-C9-C11 –alkyl esters, sodium salt
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ROSULfan D911 is an anionic surfactant from the group of alkyl sulphates with a carbon chain length of C9-C11. The product is an alkyl sulfate sodium salt and is available as a 35-37% aqueous solution of low viscosity and colour from colourless to light yellow. This product shows very good foaming properties, creating high and time-stable foams, even in hard water.

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Properties and applications

Product advantages:

  • unique foaming properties, especially in hard water,
  • very good air-entraining properties,
  • optimal wetting properties,
  • easy handling of the product,
  • operation in both acidic and alkaline environments,
  • easily biodegradable,
  • complies with the biodegradability criteria laid down in Regulation (EC) No. 648/2004 on detergents.


  • construction industry – a foaming agent in the production of drywall,
  • foaming extinguishing agents,
  • drilling industry.

Markets and applications
Building & Construction / Plasterboards & gypsum additives
Fire prevention
Mining & Drilling / Oil&gas extraction

Base surfactants
Foaming agents
High-foaming agents
Wetting agents

Alkyl sulfates

Specialty Products / Specialty additives
Surfactants / Anionic surfactants

Alternative names
Sulfuric acid, mono-C9-C11 –alkyl esters, sodium salt, Alkyl sulfates, anionic surfactant, sodium salts of alkyl sulfate, Sulfuric acid, mono-C9-C11 –alkyl esters, sodium salt, CAS 84501-49-5.
Manufacturer: PCC Exol SA

PCC EXOL SA is one of the most important manufacturers of surfactants and chemical formulations in Central and Eastern Europe. The company offers surfactants, specialist additives and chemical formulations for many branches of industry.

PCC Group

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