2,2'-[(E)-1,2-Ethenediyl]Bis{5-[2-(4-Oxo-2,5-Cyclohexadien-1-Ylidene)Hydrazino]Benzenesulfonic Acid}

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Properties Simple | Detailed

Formula C21H20N4O8S2
IUPAC Name [(2e)-2-[[4-[2-(1,2-diazaspiro[2.5]octa-4,7-dien-6-yl)ethynyl]-3-sulfonato-phenyl]hydrazono]cyclopropylidene]methanone; prop-1-yn-1-ol; sulfur trioxide
Molecular Mass 520.535 g·mol−1
Heat of Formation -513.6 ± 16.7 kJ·mol−1
Dipole Moment 2.41 ± 1.08 D
Volume 612.65 Å 3
Surface Area 536.4 Å 2
HOMO Energy -8.92 ± 0.55 eV
LUMO Energy 1.17 ± eV
Point Group Symmetry C1
Synonyms
  • 2, 2'-stilbenedisulfonic acid, 4,4'-bis[(p-hydroxyphenyl)azo]-
  • 2, 2'-stilbenedisulfonic acid, {4,4'-bis[(p-hydroxyphenyl)azo]-,} disodium salt
  • 3051-11-4 (disodium salt)
  • 4,4'-bis((4-hydroxyphenyl)azo)stilbene-2,2'-disulphonic acid
  • 5-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-[(e)-2-[4-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-sulfo-phenyl]ethenyl]benzenesulfonic acid
  • 5-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-[(e)-2-[4-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid
  • 5-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-[2-[4-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-sulfo-phenyl]ethenyl]benzenesulfonic acid
  • 5-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-[2-[4-[2-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazinyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid
  • 5-[n'-(4-keto-1-cyclohexa-2,5-dienylidene)hydrazino]-2-[(e)-2-[4-[n'-(4-keto-1-cyclohexa-2,5-dienylidene)hydrazino]-2-sulfo-phenyl]vinyl]benzenesulfonic acid
  • 5-[n'-(4-keto-1-cyclohexa-2,5-dienylidene)hydrazino]-2-[2-[4-[n'-(4-keto-1-cyclohexa-2,5-dienylidene)hydrazino]-2-sulfo-phenyl]vinyl]benzenesulfonic acid
  • 5-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-[(e)-2-[4-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-sulfo-phenyl]vinyl]benzenesulfonic acid
  • 5-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-[(e)-2-[4-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-sulfophenyl]vinyl]benzenesulfonic acid
  • 5-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-[2-[4-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-sulfo-phenyl]vinyl]benzenesulfonic acid
  • 5-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-[2-[4-[n'-(4-oxo-1-cyclohexa-2,5-dienylidene)hydrazino]-2-sulfophenyl]vinyl]benzenesulfonic acid
  • benzenesulfonic acid, 2,2'-(1, {2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-,} disodium salt
  • benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-hydroxyphenyl)azo)-
  • calcomine brilliant paper yellow (*disodium salt*)
  • diaphtamine brilliant fast yellow 3g (*disodium salt*)
  • direct yellow 4 dye
CAS Number(s)
  • 75673-23-3
InChIKey SKSCIBXMAAPAOO-OWOJBTEDSA-N
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