Eosin B

Eosin B
Names
IUPAC name
4′,5′-dibromo-3′,6′-dihydroxy-2′,7′-dinitro-1-spiro[isobenzofuran-3,9′-xanthene]one
Identifiers
3D model (JSmol)
ECHA InfoCard 100.008.131 Edit this at Wikidata
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
C20H6Br2N2O9
Molar mass 578.068
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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]

References

  1. ^ 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
  2. ^ 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.
  3. ^ 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.


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