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:
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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:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • IR Spectrum
  • UV/Visible spectrum
  • Gas Chromatography
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Phase change data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Reduced pressure boiling point

Enthalpy of fusion

Gas phase ion energetics data

Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

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

Rai and George, 1992
Rai, U.S.; George, S., A physicochemical study on organic eutectics and addition compound; benzidine-pyrogallol system, Can. J. Chem., 1992, 70, 2869-74. [all data]

Bastic and Pushin, 1947
Bastic, B.L.; Pushin, N.A., Melting diagrams of mixtures of formic acid, Glas. Hem. Drus. Beograd, 1947, 128, 109. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Rai and George, 1992, 2
Rai, U.S.; George, Santhi, A physicochemical study on organic eutectics and addition compound; benzidine--pyrogallol system, Can. J. Chem., 1992, 70, 12, 2869-2874, https://doi.org/10.1139/v92-366 . [all data]

Pykhtina, Cherednichenko, et al., 1974
Pykhtina, E.V.; Cherednichenko, L.V.; Kardash, I.E.; Evlasheva, T.I.; Sorokin, V.V.; Potapov, V.K.; Pravednikov, A.N., Ionization potentials of amines and energies of charge transfer bands in the absorption spectra of complexes of 7,7,8,8-tetracyanoquinodimethan, High Energy Chem., 1974, 8, 257, In original 307. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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