Differences between sodium dodecylbenzenesulfonate and dodecylbenzenesulfonic acid

Dodecylbenzenesulfonic acid is neutralized with sodium hydroxide (or sodium carbonate) to give sodium dodecylbenzenesulfonate.

The cleaning solution is made with sodium dodecylbenzenesulfonate.

The configured sodium dodecylbenzenesulfonate is pastey and has a concentration of almost 100%. According to the different needs of the addition of water, dubbed the use of different concentrations.

A simple method for the preparation of sodium dodecylbenzenesulfonate with dodecylbenzenesulfonic acid:

Sodium carbonate or sodium hydroxide saturated solution (hereinafter referred to as lye) prepared to be used,

Dodecyl sulfonic acid stirrer, stirring and slowly adding lye, the process of continuous use of test paper to determine acidity,

When the reaction reached neutral, stop adding lye and continue stirring for a few minutes.

Above to get viscous transparent or yellowish sodium dodecyl sulfonate solution, according to the need to access or dilution.