Benzidine

• Formula: C₁₂H₁₂N₂
• Molecular weight: 184.2371
• IUPAC Standard InChI: InChI=1S/C12H12N2/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10/h1-8H,13-14H2 Copy

  
• IUPAC Standard InChIKey: HFACYLZERDEVSX-UHFFFAOYSA-N Copy
• CAS Registry Number: 92-87-5
• 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: [1,1'-Biphenyl]-4,4'-diamine; p-Diaminodiphenyl; p,p'-Bianiline; p,p'-Diaminobiphenyl; C.I. Azoic Diazo Component 112; Fast Corinth Base B; 4,4'-Bianiline; 4,4'-Biphenyldiamine; 4,4'-Diaminobiphenyl; 4,4'-Diaminodiphenyl; 4,4'-Diphenylenediamine; Biphenyl -4,4'-ylenediamine; Benzidin; Benzidina; Benzydyna; Biphenyl,4,4'-diamino-; 4,4'-Biphenylenediamine; p,p-Bianiline; C.I. 37225; 4,4'-Diamino-1,1'-biphenyl; p,p'-Dianiline; NCI-C03361; Rcra waste number U021; UN 1885; NSC 146476
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• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
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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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

=

By formula: C₁₂H₁₂N₂ = C₁₂H₁₂N₂

 +  =

By formula: C₈H₄O₃ + C₁₂H₁₂N₂ = C₂₀H₁₆N₂O₃

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Pongratz, Bohmert-Sub, et al., 1944
Pongratz, A.; Bohmert-Sub, S.; Scholtis, K., Zur thermochemie der benzidin-umlagerung, Ber., 1944, 77, 651-735. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Karyakin, Rabinovich, et al., 1978
Karyakin, N.V.; Rabinovich, I.B.; Pal'tseva, N.G., Thermodynamics of the reactions of aromatic diamines with dianhydrides of tetracarboxylic acids, Polym. Sci. USSR, 1978, 20, 2274-2279. [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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