Dapsone

• Formula: C₁₂H₁₂N₂O₂S
• Molecular weight: 248.301
• IUPAC Standard InChI: InChI=1S/C12H12N2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H,13-14H2 Copy

  
• IUPAC Standard InChIKey: MQJKPEGWNLWLTK-UHFFFAOYSA-N Copy
• CAS Registry Number: 80-08-0
• 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: Benzenamine, 4,4'-sulfonylbis-; Aniline, 4,4'-sulfonyldi-; p-Aminophenyl sulfone; p,p'-diaminodiphenyl sulfone; p,p'-sulfonyldianiline; Avlosulfon; Avlosulfone; Bis(p-aminophenyl) sulfone; Bis(4-aminophenyl) sulfone; Croysulfone; Dapson; Di(p-aminophenyl) sulfone; Di(4-aminophenyl) sulfone; Diaphenyl sulfone; Diphenasone; Diphone; Disulone; Dumitone; DADPS; DDS; DSS; Eporal; F 1358; Metabolite C; Novophone; Sulfadione; Sulfona; Sulfona-MAE; Udolac; 1,1'-Sulfonylbis[4-aminobenzene]; 1358F; 4,4'-Diaminodiphenyl Sulfone; 4,4'-Sulfonylbis[benzamine]; 4,4'-Sulfonyldianiline; 4-Aminophenyl sulfone; Diaminodiphenyl sulfone; Diaphenylsulfon; DDS, pharmaceutical; N,N'-Diphenyl sulfondiamide; NCI-C01718; NSC 6091D; WR 448; Avlosulphone; Bis(p-aminophenyl)sulphone; Bis(4-aminophenyl)sulphone; Croysulphone; Dapsonum; 4,4-Diaminodifenylsulfon; Diaminodifenilsulfona; Diamino-4,4'-diphenyl sulfone; Diamino-4,4'-diphenyl sulphone; p,p-Diaminodiphenyl sulphone; 4,4'-Diaminodiphenyl sulphone; Di(p-aminophenyl)sulphone; Di(4-aminophenyl)sulphone; Diaphenylsulphon; Diaphenylsulphone; Dubronax; ICI; NSC-6091; Sulfone UCB; 4,4'-Sulfonylbisaniline; p,p-Sulfonylbisbenzamine; p,p-Sulfonylbisbenzenamine; Sulphadione; Sulphon-Mere; 1,1'-Sulphonylbis(4-aminobenzene); p,p-Sulphonylbisbenzamine; 4,4'-Sulphonylbisbenzamine; p,p-Sulphonylbisbenzenamine; 4,4'-Sulphonylbisbenzenamine; Sulphonyldianiline; p,p-Sulphonyldianiline; 4,4'-Sulphonyldianiline; Tarimyl; 4,4'-Dapsone; 4,4'-DDS; 4,4'-Sulfonylbisbenzeneamine; Araldite HT 976; DDS, diaphenylsulfone; Dimitone; Sulfanona-mae; Sulfon-mere; Sulfonyldianiline; Sumicure S; Dianiline, 4,4'-sulfonyl-; 4,4'-Sulfonyldiphenylamine; Servidapson; HT 976; HT 9664
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

References

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

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

Lesbats and Lichanot, 1987
Lesbats, C.; Lichanot, A., Capacites calorifiques de durcisseurs amines et resines epoxydes, Thermochim. Acta, 1987, 109, 317-329. [all data]

Grady, Hays, et al., 1973
Grady, L.T.; Hays, S.E.; King, R.H.; Klein, H.R.; Mader, W.J.; Wyatt, D.K.; Zimmere, R.O., Drug purity profiles, J. Pharm. Sci., 1973, 62, 459. [all data]

Evlasheva, Puchkova, et al., 1975
Evlasheva, T.I.; Puchkova, V.V.; Potapov, V.K.; Gur'yanova, E.N., Ionisation potentials and electron-donating properties of sulphones, Russ. J. Phys. Chem., 1975, 49, 453. [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, References

• Symbols used in this document:
  

  Tfus	Fusion (melting) point

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