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

Solvay Rhodasurf TDA 8.5 Tridecyl Alcohol Ethoxylate Nonionic Surfactant

Solvay Rhodasurf TDA 8.5 is a nonionic surfactant in the Rhodasurf series, featuring tridecyl alcohol ethoxylate with ~8.5 EO units. It delivers excellent wetting, emulsification, and low-foaming performance in industrial cleaners, agrochemicals, and textile auxiliaries. Known for high stability, biodegradability, and compatibility with electrolytes and other surfactants.
  • solvay rhodasurf tda 8.5 tridecyl alcohol ethoxylate nonionic surfactant_fadf0813
  • solvay rhodasurf tda 8.5 tridecyl alcohol ethoxylate nonionic surfactant_fadf0813

Features Of Solvay Rhodasurf TDA 8.5 Tridecyl Alcohol Ethoxylate Nonionic Surfactant

  1. Excellent wetting and spreading performance on low-energy surfaces, including polyolefins and waxes.

  2. High foaming efficiency with good foam stability in neutral to mildly alkaline aqueous systems.

  3. Outstanding emulsification capacity for hydrophobic oils and esters, supporting stable oil-in-water formulations.

  4. Low irritation profile and favorable ecotoxicological profile, compliant with major regulatory frameworks (e.g., OECD 301D).

  5. Good compatibility with anionic, cationic, and other nonionic surfactants, enabling broad formulation flexibility.

Typical Applications Of Solvay Rhodasurf TDA 8.5 Tridecyl Alcohol Ethoxylate Nonionic Surfactant

  1. Industrial and institutional (I&I) hard-surface cleaners for food processing facilities.

  2. Agrochemical adjuvants enhancing pesticide and herbicide spray droplet retention and coverage.

  3. Textile auxiliaries for scouring, dye leveling, and softener stabilization.

  4. Paint and coating additives improving pigment dispersion and substrate wetting.

  5. Personal care cleansing bases in mild liquid soaps and syndet bars.

Specifications Of Solvay Rhodasurf TDA 8.5 Tridecyl Alcohol Ethoxylate Nonionic Surfactant

Chemical TypeNonionic surfactant — tridecyl alcohol ethoxylate (average EO = 8.5)
Product FormLiquid
AppearancePale yellow to colorless viscous liquid
pH (1% aqueous solution, 25°C)5.5–7.0
Cloud Point (1% solution)65–72°C
Active Content (min.)98.5 wt%
Free Alcohol Content (max.)1.0 wt%
Hydroxyl Number45–52 mg KOH/g


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