Fluoran

Short description: Chemical compound

Fluoran

Names
Preferred IUPAC name

3H-Spiro[[2]benzofuran-1,9′-xanthen]-3-one

Identifiers

CAS Number

* 596-24-7 Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:37915 Y

ChemSpider |

* 62216 Y

PubChem CID

* 68994

UNII |

* C8A6LHH76W 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

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).

Y verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

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

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.

0.00

(0 votes)

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

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Chemistry:Fluoran&oldid=367129"
*[CID]: Compound ID