PROBLEM TO BE SOLVED: To provide an antibacterial cationic surfactant.SOLUTION: The cationic compound is represented by formula (1). In the formula (1), R1 represents an alkyl group having at least one carbon atom R2 represents an alkylene group R1-CH-CH-R2- represents a 9-25C hydrocarbon group R3 and R4 each represents a group represented from a methyl group, an ethyl group and a hydroxyethyl group and R5 represents a group selected from a methyl group, an ethyl group and a dihydroxypropyl group. CnH2n+1 represents an alkyl group n is an integer from 1-20. A represents halogen.COPYRIGHT: (C)2012,JPO&INPIT【課題】抗菌性カチオン界面活性剤の提供。【解決手段】下記一般式(1)、等で示される抗菌性カチオン界面活性剤。一般式(1)において、R1は、炭素数1以上のアルキル基、R2はアルキレン基で、R1-CH-CH-R2-は炭素数9~25の炭化水素基、R3、R4はメチル基、エチル基、ヒドロキシエチル基より選ばれた基、R5はメチル基、エチル基、ジヒドロキシプロピル基より選ばれた基を示す。CnH2n+1はアルキル基で、nは1から20の整数を示す。Aはハロゲンを示す。【選択図】なし
