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Surface-Active and Photochemical Properties of Sodium p-Dodecylbenzylsulfate in Aqueous Solution

An ultraviolet (UV)-degradative anionic surfactant, sodium p-dodecylbenzylsulfate, was prepared and its surface-active and photochemical properties in water were examined. The surface activities such as solubilizing, foaming, and dispersing powers were as good as those of synthetic detergents, linear alkylbenzenesulfonate and sodium dodecylsulfate. Upon UV irradiation, the surfactant was degraded to give p-dodecylbenzyl alcohol, a nonsurfactant. [Supplemental materials are available for this article. Go to the publisher's online edition of the Journal of Dispersion Science and Technology to view the free supplemental file.]