Structure via PubChem · Public domain (PubChem)
Chemical data
- Formula
- N2O4
- Molecular weight
- 92.011 g/mol
- SMILES
- [N+](=O)([N+](=O)[O-])[O-]
- InChIKey
- WFPZPJSADLPSON-UHFFFAOYSA-N
- XLogP
- 0.4
- Polar surface area
- 91.6 Ų
- H-bond donors
- 0
- H-bond acceptors
- 4
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- oxidizing agent
- Has part
- oxygen
- Mass
- 91.986
Show 12 more facts
- chemical formula
- N₂O₄
- density
- 1.443
- melting point
- -11.2
- boiling point
- 21.15
- canonical SMILES
- [N+](=O)([N+](=O)[O-])[O-]
- standard enthalpy of formation
- 9.16
- vapor pressure
- 96
- refractive index
- 1.0012
- electric dipole moment
- 0
- subject has role
- oxidizing agent
- Commons category
- Dinitrogen tetroxide
- ionization energy
- 10.80
via Wikidata · CC0
~12 min read
Encyclopedic overview
Nitrogen dioxide at different temperaturesNitrogen dioxide (NO 2) at −196 °C, 0 °C, 23 °C, 35 °C, and 50 °C. NO 2 converts to the colorless dinitrogen tetroxide (N 2O 4) at low temperatures, and reverts to NO 2 at higher temperatures.
Names
Excerpted from Wikipedia’s “dinitrogen tetroxide” article, available under the CC BY-SA 4.0 licence.