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Substance Name: Gallein
RN: 2103-64-2
UNII: 8L0084U2QR
InChIKey: PHLYOKFVXIVOJC-UHFFFAOYSA-N

Note

  • Do not confuse with gallin.

Molecular Formula

  • C20-H12-O7

Molecular Weight

  • 364.308
 
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Names and Synonyms

Name of Substance

  • Gallein

Synonyms

  • 4,5-Dihydroxyfluorescein
  • AI3-63042
  • C.I. 45445
  • C.I. Mordant Violet 25
  • EINECS 218-272-6
  • Fluoran, 3',4',5',6'-tetrahydroxy-
  • Fluorescein, 4',5'-dihydroxy-
  • Gallein
  • NSC 56445
  • NSC 622478
  • NSC 8668
  • Pyrogallolphthalein
  • UNII-8L0084U2QR

Systematic Names

  • 3',4',5',6'-Tetrahydroxyfluoran
  • 3',4',5',6'-Tetrahydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one
  • Gallein (8CI)
  • Spiro(isobenzofuran-1(3),9'-(9H)xanthen)-3-one, 3',4',5',6'-tetrahydroxy-
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',4',5',6'-tetrahydroxy-

Registry Numbers

CAS Registry Number

  • 2103-64-2

FDA UNII

  • 8L0084U2QR

Other Registry Number

  • 52413-17-9

System Generated Number

  • 0002103642

Structure Descriptors

InChI

1S/C20H12O7/c21-13-7-5-11-17(15(13)23)26-18-12(6-8-14(22)16(18)24)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,21-24H

InChIKey

PHLYOKFVXIVOJC-UHFFFAOYSA-N

Smiles

C12(c3c(c(O)c(cc3)O)Oc3c1ccc(O)c3O)OC(=O)c1c2cccc1

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point >300 deg C   EXP
log P (octanol-water) 2.390 (none)   EST
Atmospheric OH Rate Constant 1.43E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.