- InChI
- InChI=1S/C2H4N2O2/c5-1-3-4-2-6/h1-2H,(H,3,5)(H,4,6)
- InChI Key
- POVXOWVFLAAVBH-UHFFFAOYSA-N
- Formula
- C2H4N2O2
- SMILES
- O=CNNC=O
- Molecular Weight1
- 88.07
- CAS
- 628-36-4
- Other Names
-
- 1,2-Diformylhydrazin
- 1,2-Diformylhydrazine
- Bicarbamaldehyde
- Diformohydrazide
- Diformylhydrazine
- Formic acid, hydrazodi-
- Hydrazine, 1,2-diformyl-
- N,N'-Diformylhydrazine
- NSC 54729
- hydrazodicarbaldehyde
- s-Diformohydrazide
- s-Diformylhydrazine
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- ΔsubS : Entropy of sublimation at a given temperature (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔcH°solid | -1027.70 ± 0.70 | kJ/mol | NIST |
| ΔfH°solid | -331.00 ± 0.70 | kJ/mol | NIST |
| ΔfusH° | 15.71 | kJ/mol | Joback Calculated Property |
| ΔsubH° | [100.80; 205.10] | kJ/mol |
|
| ΔsubH° | 205.10 ± 0.70 | kJ/mol | NIST |
| ΔsubH° | 100.80 ± 0.54 | kJ/mol | NIST |
| ΔvapH° | 71.42 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 9.61 | eV | Relay (1.0) Calculated Property |
| logPoct/wat | -1.607 | Crippen Calculated Property | |
| McVol | 62.140 | ml/mol | McGowan Calculated Property |
| Tboil | 512.59 | K | Relay (1.0) Calculated Property |
Cheméo can also estimate Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | 99.12 | J/mol×K | 298.15 | NIST |
| ΔsubH | [100.80; 205.10] | kJ/mol | [356.00; 386.50] |
|
| ΔsubH | 205.10 | kJ/mol | 356.00 | NIST |
| ΔsubH | 205.10 ± 0.70 | kJ/mol | 356.50 | NIST |
| ΔsubH | 100.80 | kJ/mol | 386.50 | NIST |
| ΔsubS | 291.00 | J/mol×K | 356.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [90.10; 177.85] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 2.14500e+01 | |||
| Coefficient B | 2.95200e-01 | |||
| Coefficient C | -1.68200e-04 | |||
| Coefficient D | 2.94000e-08 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 90.10 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 106.14 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 120.38 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 132.93 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 143.88 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 153.32 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 161.34 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 168.04 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 173.52 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 177.85 | J/mol×K | 1000.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,2-Hydrazinedicarboxaldehyde.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- 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.
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