Eosin B
Names
IUPAC name
4′,5′-dibromo-3′,6′-dihydroxy-2′,7′-dinitro-1-spiro[isobenzofuran-3,9′-xanthene]one
Identifiers
ECHA InfoCard
100.008.131
MeSH
Eosine+I+Bluish
UNII
C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)[N+](=O)[O-])O)Br)Br)O)[N+](=O)[O-]
Properties
C20 H6 Br2 N2 O9
Molar mass
578.068
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Eosin B is a form of eosin which is a dye compound.[ 1] [ 2] There is another form[ 3] of eosin B dye and its chemical name is 4, 5-dibromo-2, 7dinitro- fluorescein or 4′,5′-dibromo-2′,7′-dinitro-3-oxo-3Hspiro[2-benzofuran-1,9′-xanthene]-3′,6′ diolate. [ 3] This last form of eosin B is an organic laser dye.[citation needed ]
^ Lai, M.; Lü, B. (2012-01-01), Pawliszyn, Janusz (ed.), "3.04 - Tissue Preparation for Microscopy and Histology" , Comprehensive Sampling and Sample Preparation , Oxford: Academic Press, pp. 53–93, ISBN 978-0-12-381374-9 , retrieved 2023-01-04
^ Massimine, Kristen M.; McIntosh, Michael T.; Doan, Lanxuan T.; Atreya, Chloé E.; Gromer, Stephan; Sirawaraporn, Worachart; Elliott, David A.; Joiner, Keith A.; Schirmer, R. Heiner; Anderson, Karen S. (2006-09-01). "Eosin B as a novel antimalarial agent for drug-resistant Plasmodium falciparum" . Antimicrobial Agents and Chemotherapy . 50 (9): 3132–3141. doi :10.1128/AAC.00621-06 . ISSN 0066-4804 . PMC 1563504 . PMID 16940112 .
^ a b Fankam, J. B.; Ejuh, Geh Wilson; Tchangnwa Nya, F.; Ndjaka, J. M. B. (June 2020). "Theoretical investigation of the molecular structure, vibrational spectra, thermodynamic and nonlinear optical properties of 4, 5-dibromo-2, 7dinitro- fluorescein" . Optical and Quantum Electronics . 52 (6): 292. doi :10.1007/s11082-020-02396-4 . ISSN 0306-8919 . S2CID 254893306 .