propamidine propamidine propamidine is an antiseptic and disinfectant. propamidine names preferred iupac name 4,4′-di(benzene-1-carboximidamide) identifiers cas number 104-32-5 y140-63-6 (isethionate) y 3d model (jsmol) interactive image chebi chebi:87462 n chembl chembl23013 y chemspider 58475 y echa infocard 100.002.905 pubchem cid 64949 unii g20g12v769 y7t9ij84c42 (isethionate) y comptox dashboard (epa) dtxsid6048674 inchi inchi=1s/c17h20n4o2/c18-16(19)12-2-6-14(7-3-12)22-10-1-11-23-15-8-4-13(5-9-15)17(20)21/h2-9h,1,10-11h2,(h3,18,19)(h3,20,21) ykey: wtfxjfjyejzmfo-uhfffaoysa-n yinchi=1/c17h20n4o2/c18-16(19)12-2-6-14(7-3-12)22-10-1-11-23-15-8-4-13(5-9-15)17(20)21/h2-9h,1,10-11h2,(h3,18,19)(h3,20,21)key: wtfxjfjyejzmfo-uhfffaoyao smiles o(c1ccc(cc1)c(=)n)cccoc2ccc(c(=)n)cc2 properties chemical formula c17h20n4o2 molar mass 312.373 g·mol−1 pharmacology atc code d08ac03 (who) s01ax15 (who) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references propamidine isethionate, the salt of propamidine with isethionic acid, is used in the treatment of acanthamoeba infection. propamidine is a member of the aromatic diamidine group of compounds which possess bacteriostatic properties against a wide range of organisms. these diamidines exert antibacterial action against pyrogenic cocci, antibiotic resistant staphylococci and some gram-negative bacilli, the activity of the diamidines being retained in the presence of organic matter such as tissue fluids, pus and serum.