Fluoran
Chemical compound
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Names | |
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Preferred IUPAC name 3H-Spiro[[2]benzofuran-1,9′-xanthen]-3-one | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.008.984 ![]() |
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InChI
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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). ![]() ![]() ![]() Infobox references |
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]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/75/Eosin.svg/220px-Eosin.svg.png)
References
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