Fluorone

Fluorone
Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name
3H-Xanthen-3-one
Other names
3-Isoxanthone; 3-Oxo-3H-xanthene
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H checkY
    Key: FRIPRWYKBIOZJU-UHFFFAOYSA-N checkY
  • InChI=1/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H
    Key: FRIPRWYKBIOZJU-UHFFFAOYAE
  • O=C1C=CC2=Cc3ccccc3OC2=C1
Properties
C13H8O2
Molar mass 196.205 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Fluorone is a heterocyclic chemical compound. It forms the core structure for various chemicals, most notably fluorone dyes,[1] including fluorescein, erythrosine and rhodamine. It is an isomer of xanthone, sometimes referred to as an isoxanthone.

Chemical structure of erythrosine
  1. ^ Shi, Jianmin; Zhang, Xianping; Neckers, Douglas C (1992). "Xanthenes: fluorone derivatives". Journal of Organic Chemistry. 57 (16): 4418–4421. doi:10.1021/jo00042a020.