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

Solvay Rhodapex S400 Sodium Alkyl Ether Sulfate Anionic Surfactant

Solvay Rhodapex S400 is a high-performance anionic surfactant—sodium alkyl ether sulfate—designed for mildness, foaming efficiency, and compatibility in personal care formulations. Part of Solvay’s trusted Rhodapex series, it delivers excellent detergency, low irritation, and stable lather across pH ranges. Widely used in shampoos, body washes, and liquid soaps, it meets stringent regulatory standards and supports sustainable manufacturing practices.
  • solvay rhodapex s400 sodium alkyl ether sulfate anionic surfactant_9f90df15
  • solvay rhodapex s400 sodium alkyl ether sulfate anionic surfactant_9f90df15

Features Of Solvay Rhodapex S400 Sodium Alkyl Ether Sulfate Anionic Surfactant

  1. High foaming performance with rapid foam generation and excellent foam stability in hard water.

  2. Superior detergency and grease-cutting capability across a broad pH range (pH 5–10).

  3. Good compatibility with nonionic and amphoteric surfactants, enabling versatile formulation flexibility.

  4. Mild skin profile suitable for personal care applications requiring low irritation potential.

  5. Biodegradable anionic surfactant meeting OECD 301 series standards for ready biodegradability.

Typical Applications Of Solvay Rhodapex S400 Sodium Alkyl Ether Sulfate Anionic Surfactant

  1. Shampoos and body washes requiring rich lather and gentle cleansing.

  2. Household liquid dishwashing detergents for effective grease removal.

  3. Hard surface cleaners for kitchens and bathrooms.

  4. Industrial and institutional (I&I) cleaning formulations.

  5. Car wash and foam-based vehicle cleaning products.

Specifications Of Solvay Rhodapex S400 Sodium Alkyl Ether Sulfate Anionic Surfactant

Chemical TypeSodium alkyl ether sulfate (AES), C12–C14 ethoxylated (EO ≈ 2.5)
Product FormClear to slightly opalescent viscous liquid
AppearancePale yellow to amber liquid at 25 °C
Active Matter Content≈ 40 wt% (as sodium salt)
pH (10% aqueous solution)6.5–8.0
Viscosity (25 °C)1,500–3,500 mPa·s
Free Alcohol Content< 2.0 wt%
Color (Hazen)< 100


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