Thioxanthone

Thioxanthone
Names
IUPAC name
9H-Thioxanthen-9-one
Other names
Thioxanthenone; 9-Oxothioxanthene; Thioxanthen-9-one
Identifiers
492-22-8
ChemSpider 9873
Jmol interactive 3D Image
Properties
C13H8OS
Molar mass 212.27 g·mol−1
Appearance Pale yellow solid[1]
Melting point 211 °C (412 °F; 484 K)[2]
Boiling point 273 °C (523 °F; 546 K)[2] (940 hPa)
Nearly insoluble
Solubility in sulfuric acid Soluble[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Thioxanthone is a heterocyclic compound that is a sulfur analog of xanthone.

Thioxanthone can be prepared by the reaction of diphenyl sulfide with phosgene in the presence of catalytic aluminium chloride.[2] This synthesis can be seen as a special case of the Friedel-Crafts acylation. The reduction product is thioxanthene.

Thioxanthone dissolves in concentrated sulfuric acid to give a yellow colored liquid with intense green fluorescence. A mixture of the thioxanthone derivatives of 2- and 4-isopropylthioxanthone (ITX) is used in the printing industry. Pharmaceutical drugs that are derivatives of thioxanthone include hycanthone and lucanthone.

References

External links

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