Alpha Olefin Sulfonate Liquid (AOS) 38–40% is a high-foaming anionic surfactant also known as Sodium C14-16 Olefin Sulfonate. It is widely used as a cleansing and foaming ingredient in personal care, household cleaning and industrial cleaning formulations. Commercial liquid AOS grades commonly contain approximately 38–40% active surfactant matter.
AOS Liquid provides excellent cleansing, wetting, foaming and degreasing performance and can be combined with anionic, amphoteric and nonionic surfactants in many formulations. It is commonly used in shampoos, body washes, handwash, liquid soaps, dishwashing liquids, laundry detergents, car wash products and multipurpose cleaners.
Key Features
- High-foaming anionic surfactant
- Excellent cleansing and degreasing properties
- Good foam generation and foam stability
- Suitable for sulfate-free cleansing formulations
- Good hard-water tolerance
- Useful in personal care and household cleaning products
- Compatible with various anionic, amphoteric and nonionic surfactants
- Suitable for liquid formulations
- Available as a concentrated liquid surfactant
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | Alpha Olefin Sulfonate Liquid |
| Common Name | AOS Liquid / AOS 38 / AOS 40 |
| INCI Name | Sodium C14-16 Olefin Sulfonate |
| CAS No. | 68439-57-6 |
| Type | Anionic Surfactant |
| Active Matter | Approx. 38–40%* |
| Appearance | Yellowish to pale amber viscous liquid* |
| Solubility | Water soluble |
| Form | Liquid |
*Specifications may vary according to grade and supplier. Refer to the product COA/TDS for the exact batch specification.
Applications
Personal Care
AOS Liquid is commonly used as a primary or secondary surfactant in:
- Shampoo
- Sulfate-free shampoo
- Body wash
- Shower gel
- Handwash
- Liquid soap
- Facial cleanser
- Bath products
- Cleansing formulations
It provides cleansing and rich foam characteristics in rinse-off formulations.
Home & Household Cleaning
- Dishwashing liquid
- Laundry liquid
- Liquid detergent
- Multipurpose cleaner
- Floor cleaner
- Surface cleaner
- Degreasing formulations
Industrial & Automotive Cleaning
- Car wash shampoo
- Automotive cleaners
- Industrial degreasers
- Hard-surface cleaners
- General-purpose cleaning formulations
AOS is used in both light-duty and heavy-duty cleaning formulations because of its cleansing, foaming and emulsification properties.
Why Choose AOS Liquid?
Alpha Olefin Sulfonate offers a useful combination of foam, cleansing performance, emulsification and formulation flexibility. It also has good compatibility with other surfactant types and can perform across a relatively broad pH range depending on the grade and formulation.
