http://inspire.ec.europa.eu/codelist/CommodityCodeValue/fluorineINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 18:11 PM CEST2015-08-18 18:11 PM CESTfluorineFluorine is an extremely reactive and poisonous chemical element with atomic number 9. The lightest halogen and most electronegative element, it exists as a pale yellow diatomic gas at standard conditions. Almost all other elements, including some noble gases, form compounds with fluorine. - http://en.wikipedia.org/wiki/Fluorine