Stepan

Technical datasheet

BIO-TERGE® AS-40A

Supplied byStepan Company- Last Updated on Mar 30, 2026

Sodium C14-16 Olefin Sulfonate. BIO-TERGE® AS-40A by Stepan Company is an anionic surfactant. It is readily biodegradable and more stable than alcohol sulfates over a broad pH range. It offers excellent viscosity, foam characteristics as well as improved mildness over lauryl sulfates.
  • It is produced by the continuous sulfonation of alpha olefins via Stepan's falling film process.
  • BIO-TERGE® AS-40A is recommended for use in hand soaps, shampoos, and bath products.
  • It is Kosher certified and EO/PO and sulfate-free grade.
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BIO-TERGE® AS-40A properties

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PropertiesValue & unitTest conditionTest method
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