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Technical Bulletin
AVANEL® S 70
ANIONIC SURFACTANT
HELPING MAKE PRODUCTS BETTER™
The AVANEL family of surfactants was developed by BASF
Corporation based on the general structure:
HYDROPHOBE - ETHYLENE OXIDE CHAIN - SULFONATE
The hydrophobe can be any hydrocarbon, and the ethylene oxide
(EO) chain length can be varied. This versatility leads to a wide
range of AVANEL surfactant structures.
PRODUCT
HYDROPHOBE
MOLES OF EO
AVANEL S 70
C12-C15 alkyl
7
AVANEL S 150 CG
C12-C15 alkyl
15
AVANEL S 74
C8 alkyl
3
AVANEL surfactants are unique because the ethylene oxide
chain gives certain nonionic characteristics to the products, and
the sulfonate group provides certain anionic characteristics.
These products are extremely stable over a wide range of pH
and electrolyte concentrations. The key features of AVANEL
s