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

Solvay Soprophor S 40 Ethoxylated Tristyrylphenol Surfactant

Solvay Soprophor S 40 is a high-performance ethoxylated tristyrylphenol nonionic surfactant from Solvay’s Soprophor series offering excellent emulsification wetting and low-foaming properties ideal for industrial cleaning agrochemical formulations and metalworking fluids across demanding applications.
  • solvay soprophor s 40 ethoxylated tristyrylphenol surfactant_0c87f902
  • solvay soprophor s 40 ethoxylated tristyrylphenol surfactant_0c87f902

Features Of Solvay Soprophor S 40 Ethoxylated Tristyrylphenol Surfactant

  1. Highly effective nonionic surfactant with excellent emulsifying and wetting properties.

  2. Outstanding stability in hard water and across broad pH ranges (pH 3–12).

  3. Low foaming profile suitable for industrial cleaning and formulation systems requiring controlled foam.

  4. Good solubilization capacity for hydrophobic actives and oils in aqueous media.

  5. Compatible with anionic, cationic, and other nonionic surfactants in complex formulations.

Typical Applications Of Solvay Soprophor S 40 Ethoxylated Tristyrylphenol Surfactant

  1. Industrial metal cleaning and degreasing formulations.

  2. Agrochemical emulsifiable concentrates (EC) and suspension concentrates (SC).

  3. Textile auxiliaries for scouring, dye leveling, and dispersion.

  4. Paints and coatings as a stabilizer for pigment dispersions and latex emulsions.

  5. Oilfield demulsifiers and pipeline cleaning additives.

Specifications Of Solvay Soprophor S 40 Ethoxylated Tristyrylphenol Surfactant

Chemical TypeEthoxylated tristyrylphenol (nonionic)
Product FormLiquid
AppearancePale yellow to amber viscous liquid
Active Content (Typical)~98% w/w
Cloud Point (1% aqueous solution)65–72 °C
HLB Value~13.5
pH (1% aqueous solution)6.0–7.5
SolubilityFreely soluble in water and common organic solvents (e.g., alcohols, glycol ethers)


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