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    What is NIAPROOF®?

    NIAPROOF® anionic surfactants are sulfate-based, sodium salt anionic surfactants from Niacet. They are known to provide high wetting, solubilizing performance, and excellent stability that make them ideal for many applications, especially when a low foaming surfactant is required.

NIAPROOF® anionic surfactants are featured with one of the highest HLB values in the market. This enables the anionic surfactant to exhibit improved solubility and exceptional stability across a broad PH range and in the presence of acids, alkalis, and oxidizing agents. The surfactants are typically used in water-soluble chemical formulations and can be used as emulsifiers when improved solution stability and enhanced wetting are required.





NIAPROOF® 08 (NAS-08) is an anionic surfactant based on a 40% aqueous solution of sodium 2-Ethylhexyl Sulfate (2-EHS). NAS-08 is an excellent anionic wetting additive due to its exceptional stability in strong acid and alkaline solutions for enhanced solubility, dispersion, and penetration.

NIAPROOF Anionic Surfactant 08 is also one of the few anionic alcohol sulfate surface-active agents that are stable in the presence of concentrated bleaching solutions.

Recommended Level of Use: 

  • ​ A concentration of 0.25-0.75% is recommended for initial trials.

Regulatory Clearances: 

  • NIAPROOF® Surfactant 08 is the only Sodium 2-Ethylhexyl Sulfate anionic surfactant in the market that is EPA registered and NSF certified as a CleanGredients and Design For the Environment (DFE).

  • ​FDA § 173.315: Washing or assisting the lye peeling of fruits and vegetables, followed by a water rinse (maximum concentration of 0.2% on a contained basis or 0.5% max as supplied).

  • FDA § 175.105: Component of adhesives used in articles intended for packaging and transporting.

  • FDA § 176.170: Component of paper and paperboard in contact with fatty and aqueous foods provided that surfaces comply with extractive limitations.

  • EPA § 180.100 1-c: Inert ingredients for use in formulations applied to crops or post-harvest raw agricultural commodities.

  • EPA § 180.100-e: Inert ingredients for use in formulations applied to animals.



NIAPROOF® 4 (NAS-4) is an anionic surfactant based on a 27% aqueous solution of sodium tetradecyl sulfate (TDS) and is designed with enhanced solubility for improved penetration when used in low-solids chemical solutions.
It exhibits unique enzymatic properties that make it ideal for enzyme-containing chemicals as it will not break down or affect the performance of the enzymes.


Recommended Level of Use:

  • When used as a penetrant, NAS-4 provides rapid saturation of densely packed materials, such as baled cotton, wood, and paper at concentrations of 0.5-1.0%.

  • For improved wetting efficiency, the product is to be used at 0.1 to 0.5%.

Regulatory Clearances:

  • FDA § 175.105: Component of adhesives used in articles intended for packaging and transporting.

  • FDA § 176.1210: Component of closures with sealing gaskets for food containers.

  • EPA § 180.1001-c: Inert ingredients for use in formulations applied to crops or post-harvest raw agricultural commodities.

  • EPA § 180.100-e: Inert ingredients for use in formulations applied to animals.

Applications and Benefits

Household Cleaners:

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  • NIAPROOF® anionic surfactants are commonly used in a variety of household & industrial cleaners and detergents for their excellent penetration and to eliminate much of the work involved in scrubbing and manual cleaning.

  • NIAPROOF® also provides superior cleaning performance when used in wallpaper penetrants.

  • It is also an excellent choice for use in carpet cleaners and detergents as NIAPROOF® 08 does not recoil carpets as sodium lauryl sulfates do and boosts the detergency of the formulation.

Industrial Cleaners

  • NChemPoint - Product ArticlesIAPROOF® Anionic surfactants are excellent for use in acid-based cleaners and descalers that are typically utilized in metal cleaning applications, dairy production, and rust removal applications.​
  • In metal finishing applications, NAS-08 is added to alkalis to improve the cleaning performance and provide a clean surface that is suitable for plating or spraying.

  • It is also used in electronic cleaners and plating applications to decrease the surface tension of the electrolytic solution and accelerate the release of hydrogen byproducts.

  • NIAPROOF® 04 is used in plating applications to dissolve impurities, eliminate pitting, and decrease the surface tension of the bath.

Fruit & Vegetable Wash and Agriculture Applications

  • ChemPoint - Product ArticlesNIAPROOF® Anionic Surfactant 08 is an excellent choice for adjuvants, crop protection products, and pest control formulations.

  • ​NIAPROOF® Anionic Surfactant 08 is approved for use in fruit and vegetable wash for faster peeling while removing soil and microorganism contaminants.

  • NIAPROOF® Anionic Surfactant 08 provides a uniform pickling solution, reduces the amount of acid required for pickling, and accelerates the pickling process for high productivity.

  • The sodium salt sulfate surfactants can also be used as a coupling agent for inorganic salts that are used in making fruit and vegetable washing solutions.


ChemPoint specialists are available for assistance and to answer any questions you have about NIAPROOF® anionic surfactants from Niacet.


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