Cresol Red

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Properties Simple | Detailed

Formula C21H18O5S
IUPAC Name 4-[3-(4-hydroxy-3-methyl-phenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-2-methyl-phenol
Molecular Mass 382.430 g·mol−1
Heat of Formation -615.9 ± 16.7 kJ·mol−1
Dipole Moment 5.88 ± 1.08 D
Volume 423.35 Å 3
Surface Area 357.77 Å 2
HOMO Energy -9.05 ± 0.55 eV
LUMO Energy -0.78 ± eV
Point Group Symmetry C1
Synonyms
  • 3',3''-dimethylphenolsulfonephthalein
  • 3,3-bis(4-hydroxy-3-methylphenyl)benzo[c]1,2-oxathiolene-1,1-dione
  • 4-[3-(4-hydroxy-3-methyl-phenyl)-1,1-diketo-benzo[c]oxathiol-3-yl]-2-methyl-phenol
  • 4-[3-(4-hydroxy-3-methyl-phenyl)-1,1-dioxo-benzo[c][1,2]oxathiol-3-yl]-2-methyl-phenol
  • 4-[3-(4-hydroxy-3-methyl-phenyl)-1,1-dioxo-benzo[c]oxathiol-3-yl]-2-methyl-phenol
  • 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-3-benzo[c]oxathiolyl]-2-methylphenol
  • 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxobenzo[c]oxathiol-3-yl]-2-methylphenol
  • cresolsulfophthalein
  • o-cresol red
  • o-cresol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)di-, s,s-dioxide
  • o-cresol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)di-, s,s-dioxide (8ci)
  • o-cresolsulfonephthalein
  • phenol, 4,4'-(1,1-dioxido-3h-2,1-benzoxathiol-3-ylidene)bis(2-methyl-
  • phenol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis(2-methyl-, s,s-dioxide (9ci)
  • phenol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, s,s-dioxide
CAS Number(s)
  • 32210-84-7
  • 1733-12-6
InChIKey OBRMNDMBJQTZHV-UHFFFAOYSA-N
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