AES are manufactured by alcohol ethoxylate (C10-C18) sulfonation with either sulfur trioxide or chlorosulfonic acid then neutralized with a base to produce sodium or ammonium salt.
AES are manufactured by alcohol ethoxylate (C10) sulfonation with either sulfur trioxide. AES are manufactured by alcohol ethoxylate (C10) sulfonation with chlorosulfonic acid. This either sulfur trioxide or chlorosulfonic acid is then neutralized with a base. This was to produce sodium or ammonium salt. C10 is C18.