- InChI
- InChI=1S/N2O4/c3-1(4)2(5)6
- InChI Key
- WFPZPJSADLPSON-UHFFFAOYSA-N
- Formula
- N2O4
- SMILES
- O=[N+]([O-])[N+](=O)[O-]
- Molecular Weight1
- 92.01
- CAS
- 10544-72-6
- Other Names
-
- Dinitrogen tetroxide
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | 20.22 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -64.85 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 18.48 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 48.78 | kJ/mol | Joback Calculated Property |
| IE | [10.80; 11.60] | eV |
|
| IE | 10.80 ± 0.20 | eV | NIST |
| IE | 11.40 ± 0.10 | eV | NIST |
| IE | 11.50 ± 0.10 | eV | NIST |
| IE | 11.40 ± 0.10 | eV | NIST |
| IE | 11.40 ± 0.10 | eV | NIST |
| IE | 11.00 | eV | NIST |
| IE | 11.60 | eV | NIST |
| log10WS | -0.98 | Crippen Calculated Property | |
| logPoct/wat | -0.545 | Crippen Calculated Property | |
| McVol | 45.700 | ml/mol | McGowan Calculated Property |
| Pc | 7014.41 | kPa | Joback Calculated Property |
| Tboil | 503.08 | K | Joback Calculated Property |
| Tc | 761.43 | K | Joback Calculated Property |
| Tfus | 376.98 | K | Joback Calculated Property |
| Vc | 0.200 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [85.71; 103.50] | J/mol×K | [503.08; 761.43] |
|
| Cp,gas | 85.71 | J/mol×K | 503.08 | Joback Calculated Property |
| Cp,gas | 89.43 | J/mol×K | 546.14 | Joback Calculated Property |
| Cp,gas | 92.83 | J/mol×K | 589.20 | Joback Calculated Property |
| Cp,gas | 95.93 | J/mol×K | 632.26 | Joback Calculated Property |
| Cp,gas | 98.73 | J/mol×K | 675.31 | Joback Calculated Property |
| Cp,gas | 101.25 | J/mol×K | 718.37 | Joback Calculated Property |
| Cp,gas | 103.50 | J/mol×K | 761.43 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to dinitrogen tetraoxide.
Mixtures
- dinitrogen tetraoxide + nitric acid + Water
- dinitrogen pentaoxide + dinitrogen tetraoxide + nitric acid
Sources
- Crippen Method
- Crippen Method
- Densities and Excess Molar Volumes of the Ternary System N2O4 + H2O + HNO3 at 278.15 K, 283.15 K, 288.15 K, and 293.15 K
- Equilibrium Data for the N2O5 + HNO3+ N2O4 System at 258.2 K, 265.2 K, 273.2 K, and 281.2 K
- Joback Method
- McGowan Method
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.