Sodium Alpha Olefin Sulfonate (AOS) CAS#: 68585-34-2
Excellent Foaming & Wetting Capacity: White or pale yellow fine powder / light yellow liquid, produced from α-olefin via sulfonation and neutralization. It has rich and stable foam, outstanding wetting, emulsifying and dispersing performance, excellent tolerance to hard water, low irritation and good biodegradability.
Good Compatibility Property: Chemically stable under normal temperature, compatible with nonionic surfactants, amphoteric surfactants and various auxiliary agents; available in different active content grades for daily chemical and industrial cleaning.
Stable Form for Convenient Transport: Uniform powder or liquid form, stable under sealed storage, easy to weigh, transport and automatic feeding.
Sodium Alpha Olefin Sulfonate (AOS) is a widely used eco-friendly surfactant raw material, biodegradable, low irritation and covers a wide range of industrial application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | Decomposes upon heating |
| Density | ~0.85–1.1 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolated from strong oxidants |
| Solubility | Easily soluble in water |
| Form | Powder / liquid |
| Color | White to pale yellow |
| Odor | Slight characteristic odor |
| PH Value | 7.0–9.5 (1% aqueous suspension, grade dependent) |
| Hygroscopicity | Slightly hygroscopic (powder grade) |
| Stability | Stable in airtight packaging; decomposes at high temperature |
| EINECS No. | 271-447-8 |
| CAS DataBase Reference | 68585-34-2 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Not applicable |
| Risk Statements | R36 |
| Safety Statements | S22; S24/25 |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Non-flammable |
| HS Code | 34021100 |
Main applications: Laundry detergent, dishwashing liquid, shampoo, body wash, foam cleanser, textile wetting agent, industrial cleaning agent, fire extinguishing foam agent, pesticide emulsifier.






