https://reptox.cnesst.gouv.qc.ca/pages/fiche-complete.aspx?no_produit=16402&nom=Propionate+de+sodium Canada toxicological data sheet sodium propionate propionates sodium
--- http://www.has-sante.fr/portail/display.jsp?id=c_400542 2004 France evaluation of the transparency committee sodium sodium propionate propionates instillation, drug
--- http://www.has-sante.fr/portail/display.jsp?id=c_400541 2004 France evaluation of the transparency committee ophthalmic solutions eyedrops sodium propionate sodium propionates