An alkyl bis(biguanide) antiseptic which kills plaque forming microorganisms; binds to LPS and LTA and inhibits fungal phospholipase B (IC50 ~ 250 nM); inhibits the mitochondrial phosphatase PTPMT1 (IC50 = 1.08 μM, in vitro) and induces apoptosis in cancer cell lines (ED50 = 1.8-2.6 μM).