Complex Formation of Anionic Surfactants with Aromatic Compounds

9 Complex Formation of Anionic Surfactants with Aromatic Compounds [54] 

In the above sections, the surfactant molecules are cationic. However, there are many anionic and nonionic surfactants. The anionic surfactants, such as sodium dodecyl sulfate (SDS), were reported to form a micelle in an aqueous solution with aromatic compounds [75]. Although much spectroscopic work has been conducted, the micelle structure is still unclear [76]. We tried to obtain crystals of the representative complexes suitable for X-ray work. After many trials, the single crystals were obtained from an aqueous methanol solution for the complex formed between the anionic surfactant, sodium octyl sulfate (SOS), and the aromatic compound, 2-naphthol. 

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