Bactericidal guanidine derivatives, dermally applicable composition, washing composition, and antibacterial fibre aggregate

摘要

A bactericide and an anticeptic comprises at least an amide group-containing guanidine derivative represented by General Formula (I) or a salt thereof: <CHEM> wherein R<1> and R<2> are same or different and each denotes a hydrogen atom, a straight or branched alkyl group or alkenyl group having 1 to 4 carbon atoms, R<3> denotes a straight or branched alkyl group or alkenyl group having 1 to 22 carbon atoms, and A denotes a straight or branched alkylene group or alkenylene group having 1 to 10 carbon atoms.