1,2-Hydrazinedicarboxaldehyde
- Formula: C2H4N2O2
- Molecular weight: 88.0654
- IUPAC Standard InChIKey: POVXOWVFLAAVBH-UHFFFAOYSA-N
- CAS Registry Number: 628-36-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Hydrazine, 1,2-diformyl-; s-Diformylhydrazine; Bicarbamaldehyde; Diformylhydrazine; N,N'-Diformylhydrazine; 1,2-Diformylhydrazine; s-Diformohydrazide; Diformohydrazide; Formic acid, hydrazodi-; 1,2-Diformylhydrazin; NSC 54729; hydrazodicarbaldehyde
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 49.0 ± 0.2 | kcal/mol | V | Lebedeva, Katin, et al., 1980 | ALS |
ΔsubH° | 24.10 ± 0.13 | kcal/mol | V | Suzuki, Onishi, et al., 1956 | ALS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
49.0201 | 356. | N/A | Lebedeva, Katin, et al., 1980, 2 | Calculated from vapor pressure.; DH |
49.0 ± 0.2 | 356. | ME | Lebedeva, Kalin, et al., 1980 | Based on data from 340. to 373. K.; AC |
24.09 | 370. to 403. | N/A | Suzuki, Onishi, et al., 1956, 2 | See also Jones, 1960.; AC |
Entropy of sublimation
ΔsubS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
69.6 | 356. | Lebedeva, Katin, et al., 1980, 2 | Calculated; DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lebedeva, Katin, et al., 1980
Lebedeva, N.D.; Katin, Yu.A.; Ryadnenko, V.L.; Stepanov, V.B.; Kozlova, N.M.,
Thermochemical investigation of diformylhydrazine,
J. Appl. Chem. USSR, 1980, 53, 1942-1944. [all data]
Suzuki, Onishi, et al., 1956
Suzuki, K.; Onishi, S.; Koide, T.; Seki, S.,
Vapor pressures of molecular crystals. XI. Vapor pressures of crystalline urea and diformylhydrazine. Energies of hydrogen bonds in these crystals,
Bull. Chem. Soc. Jpn., 1956, 29, 127. [all data]
Lebedeva, Katin, et al., 1980, 2
Lebedeva, N.D.; Katin, Yu.A.; Ryadnenko, V.L.; Stepanov, V.B.; Kozlova, N.M.,
Thermochemical study of diformylhydrazine,
Zhur. Prikl. Khim. (Leningrad), 1980, 53(11), 2588-2590. [all data]
Lebedeva, Kalin, et al., 1980
Lebedeva, N.D.; Kalin, Y.A.; Raydnenko, V.L.; Stapanov, V.B.; Kozlova, N.M.,
Zh. Prikl. Khim. (Leningrad), 1980, 53, 2588. [all data]
Suzuki, Onishi, et al., 1956, 2
Suzuki, Keisuke; Onishi, Shun-ichi; Koide, Tsutomu; Seki, Syuzo,
Vapor Pressures of Molecular Crystals. XI. Vapor Pressures of Crystalline Urea and Diformylhydrazine. Energies of Hydrogen Bonds in these Crystals,
Bull. Chem. Soc. Jpn., 1956, 29, 1, 127-131, https://doi.org/10.1246/bcsj.29.127
. [all data]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔsubS Entropy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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