1,2-Hydrazinedicarboxaldehyde

• Formula: C₂H₄N₂O₂
• Molecular weight: 88.0654
• IUPAC Standard InChI: InChI=1S/C2H4N2O2/c5-1-3-4-2-6/h1-2H,(H,3,5)(H,4,6) Copy

  
• IUPAC Standard InChIKey: POVXOWVFLAAVBH-UHFFFAOYSA-N Copy
• 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
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• 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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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
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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

Enthalpy of sublimation

Entropy of sublimation

References

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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

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• 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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