Sodium alpha-olefin Sulfonate (AOS)
Appearance: Light yellow transparent liquid / white or yellowish powder
Application: Phosphorus-free laundry powders, liquid detergents, personal cleaning products and industrial cleaning
Assay:35% 38% Liquid / 92% Powder
Sodium alpha-olefin Sulfonate is an anionic surfactant with high foam, good hydrolytic stability, excellent resistance to hard water, low toxicity, mild, low irritation and good biodegradability. Especially used in phosphorus-free detergents.
Test Item | AOS/35 | AOS/38 | AOS/92 |
Appearance (25°C) | Light yellow transparent liquid | Light yellow transparent liquid | White or slightly yellow powder |
Total Solids Content (%) | – | 38-43 | – |
Active Matter (%) | 34-36 | 37-39 | 90-94 |
Unsulfonated Matter (%) | ≤ 1.75 | ≤ 2.0 | ≤ 5.5 |
Sodium Sulfate (%) | ≤ 1.4 | ≤ 1.5 | ≤ 5.5 |
Free Alkali (%, as NaOH) | ≤ 0.35 | ≤ 0.35 | ≤ 0.9 |
pH Value (1% Active Solution) | 9.0-11.0 | 8.5-11.5 | – |
Color (5% Active Solution, Hazen) | ≤ 100 | ≤ 100 | ≤ 120 |