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Sodium Alpha-Olefin Sulfonate   AOS

Sodium Alpha-Olefin Sulfonate AOS

Product Name: Sodium Alpha-Olefin Sulfonate
CAS No.: 68439-57-6
Molecular Formula:
RCH=CH(CH2)n-SO3Na RCH(OH)(CH2)n-SO3Na( n=C14-16 or C14-18) Standard: GBT 20200-2006

Product Name: Sodium Alpha-Olefin Sulfonate AOS
CAS No.: 68439-57-6
Molecular Formula: RCH=CH(CH2)n-SO3Na RCH(OH)(CH2)n-SO3Na( n=C14-16 or C14-18)
Standard: GBT 20200-2006

Specification:

Items

Specification

92%

35%

Appearance 25℃

Yellowish powder

Yellowish transparent liquid

Odor

Characteristic odor

Characteristic odor

Active matter, %

92±2

35±1

Petroleum ether soluble substance,%

3.0 max.

1.5 max.

Sodium sulfate, %

5.0 max.

1.5 max.

Free alkali (by NaOH),%

1.0 max.

0.3 max.

Color, Hazen (5%Am.aq.sol)

90 max.

60 max.

Water content,%

3.0 max.

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Foaming Characteristic of AOS:
AOS, LAS, K12, AES and other anionic surfactant have good foaming ability; by comparison, foam abilities of AOS14-16& AES are the best. Under the condition of hard water and soft water, AOS14-16, AOS14-18 and AES foaming force changed little. Due to LAS and K12 hard water resistant ability is poorer, foaming force decreased significantly in hard water. In the presence of sebum, AOS foaming ability is slightly higher than AES and AS.

Biodegradability of AOS:
Among anionic surfactant, Biodegradability is AS>AOS>MES>AES>LAS>ABS (“>”means better)
AOS biodegradation rate and ultimate biodegradation degrees were significantly better than that of LAS, it can be degraded completely disappear 5-7 days in the natural environment, will not pollute the environment. While LAS 100% degradation need 20-22 days.

Packing:
In 25kg plastic bag for 92% powder AOS;
In 200kg plastic drum or IBC drum for 35% liquid AOS.