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Alpha Olefin Sulfonate 2018-05-25T06:06:46+00:00

Alpha Olefin Sulfonate | CAS 68439-57-6

Alpha Olefin Sulfonate CAS NO.: 68439-57-6

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

  1. Excellent surface activity.
  2. Alpha Olefin Sulfonate with C14 and C16 has good solubility and can be used in liquid detergents.
  3. Wetting force: LAS>AOS14-16>AES≈K12>AOS14-18>MES.
  4. Good foaming power, AOS’s foam can be suppressed with soap and so on.
  5. Good resistance to hard water.
  6. Good dispersion of calcium soap.
  7. Detersive power: AES(EO=3)>AOS14-16>AOS14-18>K12>LAS
  8. Biodegradability: AS>AOS>MES>AES>LAS>ABS

Applications of Alpha Olefin Sulfonate

  1. Alpha Olefin Sulfonate is mainly be used in washing powder, soap and liquid detergent.
  2. Alpha Olefin Sulfonate can be used in personal care products such as bath lotion, hand sanitizer and cleansing milk.
  3. Alpha Olefin Sulfonate has been widely applied in textile printing and dyeing industry, petrochemical industry, three times oil recovery and industrial cleaning.
  4. AOS can be used as concrete density improver, foam agent for foam wall board and fire fighting.
  5. It can also be used as a pesticide emulsifier, wetting agent and so on.

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