Product Information of Alpha Olefin Sulfonate
- Product Name: Alpha Olefin Sulfonate (AOS)
- Synonyms: Sodium alpha-olefin Sulfonate; Bio-Terge AS-40K; α-olefin sulfonate; SODIUM A-OLEFIN SULFONATE; Alpha Olefin Sulfonate(AOS); SODIUMC14-16OLEFINSULPHONATE; sodium c14-16 olefin sulfonate; SODIUMC14-16ALPHAOLEFINSULFONATE; Sodium olefin-(C14-C16)-sulfonate; Sodium Alpha Olefin Sulphonate 92%; Sodium Alpha Olefin Sulfonate 35%, 92%
- Molecular Formula: R-CH=CH-(CH2)n-SO3Na, R=C10-20
- CAS NO.: 68439-57-6
- EINECS No.: 270-407-8
- Quality Standard: GBT 20200-2006
- Package: Powder / needle form products, craft-paper bags, 25 kg net weight. Liquid form products, plastic barrels, 200 kg net weight.
- Storage: Powder and needle form products, store in a cool, dry place. Avoid moisture and heat. Liquid products, avoid press.
Product specification of Alpha Olefin Sulfonate
| Item |
Standard of Analysis |
| Appearance |
Light yellow powder |
Light yellow liquid |
| Active matter (%) |
≥92 |
35.0±1 |
| Petroleum ether soluble substances (%) |
≤3.0 |
≤1.5 |
| Inorganic salts (%) |
≤5.0 |
≤1.5 |
| Free alkalinity (%) |
≤1.0 |
≤0.3 |
| Water (%) |
≤3.0 |
– |
| pH value (1% aq. solution) |
9.5~11.5 |
– |
| Whiteness (WG) |
≥60 |
– |
| Color (Hazen, 5% a.m. solution) |
– |
≤60 |
Characteristics of Alpha Olefin Sulfonate
- Excellent surface activity.
- Alpha Olefin Sulfonate with C14 and C16 has good solubility and can be used in liquid detergents.
- Wetting force: LAS>AOS14-16>AES≈K12>AOS14-18>MES.
- Good foaming power, AOS’s foam can be suppressed with soap and so on.
- Good resistance to hard water.
- Good dispersion of calcium soap.
- Detersive power: AES(EO=3)>AOS14-16>AOS14-18>K12>LAS
- Biodegradability: AS>AOS>MES>AES>LAS>ABS
Applications of Alpha Olefin Sulfonate
- Alpha Olefin Sulfonate is mainly be used in washing powder, soap and liquid detergent.
- Alpha Olefin Sulfonate can be used in personal care products such as bath lotion, hand sanitizer and cleansing milk.
- Alpha Olefin Sulfonate has been widely applied in textile printing and dyeing industry, petrochemical industry, three times oil recovery and industrial cleaning.
- AOS can be used as concrete density improver, foam agent for foam wall board and fire fighting.
- It can also be used as a pesticide emulsifier, wetting agent and so on.
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