7782-44-7 CCRIS 1228 Dioxygen HSDB 5054 Hyperoxia LOX Liquid oxygen Molecular oxygen O2 OXY Oxygen (8CI,9CI) Oxygen (liquid) Oxygen molecule Oxygen, compressed [UN1072] [Nonflammable gas] Oxygen, liquified Oxygen, refrigerated liquid (cryogenic liquid) [UN1073] [Nonflammable gas] Oxygen-16 Oxygenium Oxygenium medicinale Pure oxygen Sauerstoff UN1072 UN1073