Fluoran

Fluoran
Names

IUPAC name Spiro[2-benzofuran-3,9'-xanthene]-1-one
Identifiers
CAS Registry Number	596-24-7
ChEBI	CHEBI:37915^Y
ChemSpider	62216^Y
InChI InChI=1S/C20H12O3/c21-19-13-7-1-2-8-14(13)20(23-19)15-9-3-5-11-17(15)22-18-12-6-4-10-16(18)20/h1-12H^Y Key: FWQHNLCNFPYBCA-UHFFFAOYSA-N^Y InChI=1/C20H12O3/c21-19-13-7-1-2-8-14(13)20(23-19)15-9-3-5-11-17(15)22-18-12-6-4-10-16(18)20/h1-12H Key: FWQHNLCNFPYBCA-UHFFFAOYAD
Jmol-3D images	Image
PubChem	68994
SMILES O=C2OC4(c1ccccc12)c5ccccc5Oc3ccccc34
Properties
Chemical formula	C₂₀H₁₂O₃
Molar mass	300.31
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Y verify (what is: Y/N?)
Infobox references

Fluoran is a triarylmethane dye. It is the structural core of a variety of other dyes.^[1]

The chemical structure of eosin, a fluoran-based dye

References

↑ Hatano, Y. "The chemistry of fluoran leuco dyes" in Chemistry and Applications of Leuco Dyes, Ed. R. Muthyala, Plenum Press 1997