1-Hexadecylsulfonic acid sodium salt
CAS NO.15015-81-3
structural formula：
Nature：
Feature:
Purpose：
Sodium dodecyl benzene sulfonate is obtained by sulfonation of dodecyl benzene with fuming sulfuric acid or sulfur trioxide and neutralizing with alkali. The disadvantage of sulfonation with fumigate is that some waste acids always exist in sulfonated materials after the reaction. After neutralization, sodium sulfate was brought into the product and its purity was affected. At present, the sulfonation method of sulfur trioxide-air mixture is adopted in industry. Sulfur trioxide can be evaporated from 60% fuming sulfuric acid, or the sulfur and dry air can be burned in the furnace to obtain a mixture gas containing so34%~8% volume fraction. The mixture gas was put into the sulfonation reactor containing alkylbenzene for sulfonation. The sulfonated material enters the neutralization system and neutralizes with sodium hydroxide solution, and finally into the spray drying system. The products obtained are powder with good fluidity.
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