... Number:Octafluorocyclobutane,Perfluorocyclobutane, liquid gasItem: C4F8 Octafluorocyclobutane,Perfluorocyclobutane, liquid gasUsage: Electronic IndustryPrice: factory pricePackaging & DeliveryPackaging Details:40L,50L cylinder, accoridng to customer ... foods. It is listed by the CodexAlimentarius under number E946.Factory Photos About Us