| Identification | |
| Name: | molecular oxygen |
| Synonyms: | oxygen;oxygen molecule;Molecular oxygen;Dioxygen;Hyperoxia;Oxygenium;Sauerstoff;Liquid oxygen;Pure oxygen;Oxygen (liquid);Oxygen, liquified;Oxygenium medicinale;Oxygen-16;Oxygene [French];Oxigeno [Spanish];CCRIS 1228;HSDB 5054;UN1072;UN1073;7782-44-7;O2;CHEBI:15379;EINECS 231-956-9;Oxygen, compressed [UN1072] [Nonflammable gas];OXY;Oxygen, refrigerated liquid (cryogenic liquid) [UN1073] [Nonflammable gas];AQUANAL-plus oxygen (O2) 1-12 mg/L;dioxidanediyl;dioxygene;Disauerstoff;Dioxygenyl ion;Compressed oxygen;Oxygen, compressed;OXYGEN-MOLECULE;singlet molecular oxygen;triplet molecular oxygen;Oxygen (8CI,9CI);AC1L1AGE;Oxygen (JP16/USP);dioxygen(2.) (triplet);[OO];295604_ALDRICH;37428_RIEDEL;37468_RIEDEL;CHEMBL1234886;UNII-S88TT14065;00476_FLUKA;37428_FLUKA;CHEBI:26689;CHEBI:27140;HMDB01377;LS-101123;(1)O2;AQUANAL(R)-plus oxygen (O2) 1-12 mg/L;C00007;D00003;O2(2.);Oxygen, refrigerated liquid (cryogenic liquid);Oxygen, compressed [UN1072] [Nonflammable gas];(O2)(..);(O2)(2.);Oxygen, refrigerated liquid (cryogenic liquid) [UN1073] [Nonflammable gas];12185-07-8;1338-93-8;14797-70-7;80217-98-7;80937-33-3 |
| CAS: | 58238-79-2 |
| Molecular Formula: | O2 |
| Molecular Weight: | 31.9988 |
| InChI: | InChI=1S/O2/c1-2 |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | -218.4 deg C |
| Solubility: | 1 vol gas dissolves in 32 vol water at 20 deg C, in 7 vol alcohol at 20 deg C; sol in other organic liquids and usually to a greater extent than in water 4.89 CU M SOL IN 100 CC WATER @ 0 DEG C; 2.46 CU M SOL IN 100 CC WATER @ 50 DEG C; 2.30 CU M SOL IN 100 CC WATER @ 100 DEG C; 2.78 G SOL IN 100 CC ALC @ 25 DEG C |
| Color: | Colorless gas Slightly bluish liquid at -183 deg C |
| Safety Data | |
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