PROBLEM TO BE SOLVED: To provide a gemini type surfactant that has a novel structure and can be synthesized conveniently.SOLUTION: The present invention provides a gemini type surfactant represented by formula (1), where R-Rindependently represent alkyl, hydroxyalkyl, aryl or the like; R is alkyl, hydroxyalkyl, aryl or the like; Yand Yindependently represent alkylene; n is an integer of 2-4; Ais a counterion; where, R-Rand R-Rmust be the same combination; Z is NRor O; Ris an alkyl group, hydroxyalkyl, aryl or the like.SELECTED DRAWING: None
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