3',6'-Dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one | CAS No. 2321-07-5

3',6'-Dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one

Basic Information

CAS Number

2321-07-5

Molecular Formula

C20H12O5

Molecular Weight

332.31 g/mol

AD

Basic Physical Properties

Melting Point

315°C(dec.)

Boiling Point

620.8°C at 760 mmHg

Flash Point

232.6±25.0 °C

Solubility

Solubility Insoluble in water, ether, benzene, chloroform; soluble in ethanol, methanol, acetone, Iethyl acetate, N,N-dimethylformamide

Refractive Index

1.5000 (estimate)

OC(=O)c1ccccc1c2c3ccc(O)cc3oc4cc(=O)ccc24

InChI

InChI=1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H

InChIKey

GNBHRKFJIUUOQI-UHFFFAOYSA-N

LogP

3.968600000000002

pKa

2.2, 4.4, 6.7(at 25℃)

Topological Polar Surface Area

87.74000000000001 Ų

Hydrogen Bond Donor/Acceptor

2 / 5

Complexity

522

Safety Information

View Safety Information

GHS Hazard Pictograms

H319H319

Hazard Statement

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

  • 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
  • ACID YELLOW 73
  • CI 45350
  • CI 45350.1
  • CI 45350:1
  • CI NO 45350
  • D AND C YELLOW NO 7
  • FLUORESCEIN, ALCOHOL SOLUBLE
  • RESORCINOL PHTHALEIN
  • S NO 880
  • SOLVENT YELLOW 94
  • 11712yellow
  • 2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoicaci
  • 3,6-dihydroxyspiro(xanthene-9,3’-phthalide)
  • 3,6-fluorandiol
  • 3’,4’-dehydroxyfluoran
  • 3’,6’-dihydroxy-fluora
  • 3’,6’-dihydroxyfluoran
  • 3’,6’-dihydroxyspiro(isobenzofuran-1(3h),9’(9h)-xanthen)-3-one
  • 3’,6’-fluorandiol
  • FLUORESCEIN
  • Fluorescein,Indicator
  • angiofluor
  • C.I. 45350
  • Dihydroxyfluorane
  • Eosin
  • Fluorecein
  • Fluorescein (free acid)
  • Fluorescein, high purity standard
  • Fluorescein, pure
  • KI201

MDL Number

MFCD00066735

Customs Code

3204200000

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