Due to its excellent properties, sulfobetaines have recently attracted increasingattention. In this paper, we investigated a p-sulfobenzyl ammonium inner salts, that is,N,N-dimethyldocecyl sulfobenzyl betaine (DBSB) by sulfonation of thedodecyldimethylbenzylammonium chloride (DBAC) directly, which differ from thepreviously mentioned sulfobetaines in that a benzyl linkage bridges the quaternarynitrogen and sulfonate group rather than a two-carbon, three-carbon, or four-carbonahphatic linkage. The reaction co...