Oxygen
CAS Registry Number®
7782-44-7
CAS Name
OxygenMolecular Formula
O2Molecular Mass
32.00Cite this Page
Oxygen. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=7782-44-7 (retrieved ) (CAS RN: 7782-44-7). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
-182.96 °CMelting Point (1)
-218.4 °CDensity (2)
3.419 g/cm³
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
- (2) Keesom, W. H.; Onnes-Festschrift, (1922), 89-163, CAplus
Other Names and Identifiers
InChI
InChI=1S/O2/c1-2
InChIKey
InChIKey=MYMOFIZGZYHOMD-UHFFFAOYSA-N
SMILES
O=O
Canonical SMILES
O=O
Other Names for this Substance
- Oxygen
- Oxygen molecule
- Molecular oxygen
- Dioxygen
- Phoenix I 2 A 7
Deleted or Replaced CAS Registry Numbers
1338-93-8, 14797-70-7, 80217-98-7, 80937-33-3, 1053656-93-1, 1173018-52-4, 1397194-37-4