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Substance Name: Fluorescin
RN: 518-44-5
UNII: ES5WQ31089
InChIKey: MURGITYSBWUQTI-UHFFFAOYSA-N

Molecular Formula

  • C20-H14-O5

Molecular Weight

  • 334.326
 
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Names and Synonyms

Name of Substance

  • Fluorescin

Synonyms

  • EINECS 208-252-5
  • UNII-ES5WQ31089

Systematic Names

  • 2-(3,6-Dihydroxyxanthen-9-yl)benzoic acid
  • Benzoic acid, 2-(3,6-dihydroxy-9H-xanthen-9-yl)-

Registry Numbers

CAS Registry Number

  • 518-44-5

FDA UNII

  • ES5WQ31089

System Generated Number

  • 0000518445

Structure Descriptors

InChI

1S/C20H14O5/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24/h1-10,19,21-22H,(H,23,24)

InChIKey

MURGITYSBWUQTI-UHFFFAOYSA-N

Smiles

C1(c2c(C(=O)O)cccc2)c2c(cc(cc2)O)Oc2c1ccc(O)c2

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 126 deg C   EXP
log P (octanol-water) 4.240 (none)   EST
Atmospheric OH Rate Constant 2.03E-10 cm3/molecule-sec 25 EST

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