For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.

Fluorescein (free acid)

View entire compound with spectra: 2 NMR, 2 FTIR, and 2 MS (GC)

Fluorescein (free acid)
SpectraBase Compound ID 5G3SgzEul7q
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
Mol Weight 332.31 g/mol
Molecular Formula C20H12O5
Exact Mass 332.068473 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID DvNAL9jSz4o
Name Fluorescein (free acid)
Source of Sample Aldrich
Catalog Number F2456
CAS Registry Number 2321-07-5
Classification Schiff bases, azobenzenes, indicators & dyes
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Formula C20H12O5
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
Solvent Nujol
Source of Spectrum Sigma-Aldrich Co. LLC.
Technique Mull
Wiley ID SIAL_FTIR_1_9899