Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay Soprophor S 40 70 Ethoxylated Tristyrylphenol Surfactant

Solvay Soprophor S 40 70 is a high-performance ethoxylated tristyrylphenol nonionic surfactant offering excellent emulsification, wetting and solubilization in industrial cleaning, agrochemicals and polymer synthesis. Its low foaming, high thermal/chemical stability and compatibility with electrolytes make it ideal for demanding formulations across diverse applications.
  • solvay soprophor s 40 70 ethoxylated tristyrylphenol surfactant_9c86febd
  • solvay soprophor s 40 70 ethoxylated tristyrylphenol surfactant_9c86febd

Features Of Solvay Soprophor S 40 70 Ethoxylated Tristyrylphenol Surfactant

  1. Highly effective nonionic surfactant with excellent emulsifying and wetting performance in demanding industrial formulations.

  2. Superior stability in hard water and tolerance to electrolytes, enabling robust performance across diverse process conditions.

  3. Low foaming profile suitable for high-shear and continuous processing environments such as pigment dispersion and polymer emulsion production.

  4. Good compatibility with anionic and nonionic systems, facilitating formulation flexibility in complex additive packages.

  5. Derived from tristyrylphenol backbone with controlled ethoxylation (approx. 40 EO units), delivering balanced hydrophile-lipophile characteristics.

Typical Applications Of Solvay Soprophor S 40 70 Ethoxylated Tristyrylphenol Surfactant

  1. Pigment dispersion and stabilization in solvent-based and high-solid coatings.

  2. Emulsifier in vinyl acetate–ethylene (VAE) and styrene–butadiene (SB) polymer emulsions.

  3. Wetting agent for agricultural adjuvants and agrochemical concentrates.

  4. Processing aid in textile auxiliaries, including dye leveling and scouring formulations.

  5. Stabilizer in industrial cleaning formulations requiring low foam and high soil suspension.

Specifications Of Solvay Soprophor S 40 70 Ethoxylated Tristyrylphenol Surfactant

Chemical TypeEthoxylated tristyrylphenol (nonionic)
Product FormLiquid
AppearancePale yellow to amber viscous liquid
Active Content (as is)≥ 98.0 wt%
pH (1% aqueous solution, 25 °C)6.0 – 7.5
Cloud Point (1% aqueous solution)≈ 70 °C
SolubilityMiscible with common organic solvents; soluble in water above cloud point
Storage StabilityStable for ≥ 24 months in original sealed container at 5–30 °C


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