Hydrazine
- Formula: H4N2
- Molecular weight: 32.0452
- IUPAC Standard InChI: InChI=1S/H4N2/c1-2/h1-2H2
- IUPAC Standard InChIKey: OAKJQQAXSVQMHS-UHFFFAOYSA-N
- CAS Registry Number: 302-01-2
- 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: Levoxine; N2H4; Diamine; Hydrazyna; Rcra waste number U133; Hydrazine, anhydrous; Hydrazine base; Nitrogen hydride, (N2H4); Oxytreat 35
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Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
+ 0.5
=
+
+ 0.5
By formula: C4H4BrNO2 + 0.5H4N2 = HBr + C4H5NO2 + 0.5N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -260.3 ± 0.46 | kJ/mol | Cm | Howard and Skinner, 1966 | solid phase; solvent: Aqueous solution; Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -261.7 ± 0.46 kJ/mol |
+ 0.5
=
+
+ 0.5
By formula: C4H4ClNO2 + 0.5H4N2 = C4H5NO2 + HCl + 0.5N2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -283.6 ± 0.3 | kJ/mol | Cm | Howard and Skinner, 1966 | solid phase; solvent: Aqueous solution |
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.
Howard and Skinner, 1966
Howard, P.B.; Skinner, H.A.,
Thermochemistry of some reactions of aqueous hydrazine with halogens, hydrogen halides and N-halogenosuccinimides,
J. Chem. Soc. A, 1966, 1536-1540. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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