Fluoran

Fluoran
Names
	Preferred IUPAC name 3H-Spiro[[2]benzofuran-1,9′-xanthen]-3-one
Identifiers
CAS Number	596-24-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:37915 ;
ChemSpider	62216 ;
PubChem CID	68994;
UNII	C8A6LHH76W ;
	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 Key: FWQHNLCNFPYBCA-UHFFFAOYSA-N ; 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;
	SMILES O=C2OC4(c1ccccc12)c5ccccc5Oc3ccccc34;
Properties
Chemical formula	C20H12O3
Molar mass	300.31
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	verify (what is ?)
	Infobox references

Short description: Chemical compound

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

These dyes have a variety of applications such as chemical stains (for example eosins) and in thermal paper. Black 305 is a common leuco dye product for thermal paper.^[2]

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
↑ "BLACK 305". Nagase America Corporation. https://nagaseamerica.com/product/black-305/. Retrieved 24 August 2019.

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/Fluoran. Read more

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

[2] "BLACK 305". Nagase America Corporation. https://nagaseamerica.com/product/black-305/. Retrieved 24 August 2019.