Overview
21% of Earth's atmosphere; essential for aerobic respiration and combustion.
- IUPAC Name
- molecular oxygen
- CAS Number
- 7782-44-7
- PubChem CID
- 977
- Molecular Formula
- O2
- Molar Mass
- 32 g/mol
- State at STP
- gas
- Appearance
- Colorless, odorless gas
Safety Information
GHS Hazard Codes
H270
GHS Pictograms
flame-over-circle
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