Fluorescein

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Properties Simple | Detailed

Formula C20H12O5
IUPAC Name 3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one
Molecular Mass 332.306 g·mol−1
Heat of Formation -506.3 ± 16.7 kJ·mol−1
Dipole Moment 4.68 ± 1.08 D
Volume 357.04 Å 3
Surface Area 313.14 Å 2
HOMO Energy -9.24 ± 0.55 eV
LUMO Energy -0.84 ± eV
Point Group Symmetry C1
Synonyms
  • 11712 yellow
  • 2-(6-hydroxy-3-oxo-(3h)-xanthen-9-yl)benzoic acid
  • 2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)benzoic acid
  • 3',6'-dihydroxy-1-spiro[isobenzofuran-3,9'-xanthene]one
  • 3',6'-dihydroxy-3h-spiro[2-benzofuran-1,9'-xanthen]-3-one
  • 3',6'-dihydroxyfluoran
  • 3',6'-dihydroxyspiro(isobenzofuran-1(3h),9'(9h)-xanthen)-3-one
  • 3',6'-dihydroxyspiro(isobenzofuran-1(3h),9'-(9h)xanthen)-3-one
  • 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
  • 3,6-dihydroxyspiro(xanthene-9,3'-phthalide)
  • 3,6-fluorandiol
  • 3h-xanthen-3-one, 9-(o-carboxyphenyl)-6-hydroxy-
  • 9-(o-carboxyphenyl)-6-hydroxy-3-isoxanthenone
  • 9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one
  • benzoic acid, 2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-
  • benzoic acid, o-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-
  • c.i. 45350:1
  • ci 45350:1
  • d & c yellow no. 7
  • d and c yellow no. 7
  • d&c yellow no. 7
  • d+c yellow no. 7
  • d01261
  • deoxyribonucleic acid
  • fluoran, 3',6'-dihydroxy-
  • fluorescein (free acid)
  • fluorescein (jan/usp)
  • fluorescein [ban:jan]
  • fluorescein acid
  • fluorescein low range dna standard
  • fluorescein red
  • fluorescein,ci 45350
  • fluoresceine
  • fluoreszein
  • hidacid fluorescein
  • japan yellow 201
  • japan yellow no. 201
  • moli001003
  • resorcinolphthalein
  • soap yellow f
  • spiro(isobenzofuran-1(3h),9'-(9h)xanthen)-3-one, 3',6'-dihydroxy-
  • yellow fluorescein
CAS Number(s)
  • 2321-07-5
  • 126605-73-0
  • 213880-86-5
  • 518-45-6
InChIKey GNBHRKFJIUUOQI-UHFFFAOYSA-N
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