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Xanthene



Xanthene
IUPAC name 9H-Xanthene
Other names Dibenzo[a,e]pyran
10H-9-oxaanthracene
Identifiers
CAS number 92-83-1
EINECS number 202-194-4
SMILES c1(Oc2ccccc2C3)c3cccc1
Properties
Molecular formula C13H10O
Molar mass 182.22 g/mol
Appearance Yellow solid
Melting point

101-102 °C

Boiling point

310-312 °C

Hazards
R-phrases R42 R43
S-phrases S22 S36 S37 S45
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Xanthene (9H-xanthene, 10H-9-oxaanthracene) is a yellow organic heterocyclic compound. Its chemical formula is C13H10O. It is soluble in ether. Its melting point is 101-102 °C and its boiling point is 310-312 °C.

Xanthene is used in organic synthesis. It is used as a fungicide.

Xanthene is a basis of a class of dyes; eg. fluorescein, eosins, and rhodamines are derived from its structure. Xanthene dyes tend to be fluorescent, yellow to pink to bluish red, brilliant dyes.

Many xanthene dyes can be prepared by condensation of derivates of phthalic anhydride with derivates of resorcinol or 3-aminophenol.

Xanthene can also be used as a name of any of xanthene derivates.

See also
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Xanthene". A list of authors is available in Wikipedia.
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