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Skeletal formula
Ball-and-stick model
IUPAC name
Other names
Diphenyline ketone oxide
90-47-1 YesY
ChEBI CHEBI:37647 YesY
ChEMBL ChEMBL186784 YesY
ChemSpider 6753 YesY
Jmol interactive 3D Image
PubChem 7020
Molar mass 196.21 g·mol−1
Appearance Off-white solid
Melting point 174 °C (345 °F; 447 K)
Sl. sol. in hot water
R-phrases R36/37/38
S-phrases S26 S37[1]
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Xanthone is an organic compound with the molecular formula C13H8O2. It can be prepared by the heating of phenyl salicylate.[2] In 1939, xanthone was introduced as an insecticide and it currently finds uses as ovicide for codling moth eggs and as a larvicide.[3] Xanthone is also used in the preparation of xanthydrol, which is used in the determination of urea levels in the blood.

Xanthone derivatives[edit]

The chemical structure of xanthone forms the central core of a variety of naturally occurring organic compounds, such as mangostin, which are sometimes collectively referred to as xanthones or xanthonoids. Over 200 xanthones have been identified. Many xanthones are phytochemicals found in plants in the families Bonnetiaceae, Clusiaceae, Podostemaceae, and others.[4] They are also found in some species of the genus Iris.[5] Some xanthones are found in the pericarp of the mangosteen fruit (Garcinia mangostana) as well as in the and bark and timber of Mesua thwaitesii.[6]

See also[edit]


  1. ^ MSDS from AlphaAesar
  2. ^ Organic Syntheses, Coll. Vol. 1, p.552 (1941) - preparation of xanthone
  3. ^ Steiner, L. F. and S. A. Summerland. 1943. Xanthone as an ovicide and larvicide for the codling moth. Journal of economic entomology 36, 435-439.
  4. ^ "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II". Botanical Journal of the Linnean Society 141 (4): 399. 2003. doi:10.1046/j.1095-8339.2003.t01-1-00158.x. 
  5. ^ Williams, C.A; Harborne, J.B.; Colasante, M. (2000). "The pathway of chemical evolution in bearded iris species based on flavonoid and xanthone patterns" (PDF). Annali di botanica 58: 51–54. Retrieved 28 October 2015. 
  6. ^ Bandaranayake, Wickramasinghe M.; Selliah, Sathiaderan S.; Sultanbawa, M.Uvais S.; Games, D.E. (1975). "Xanthones and 4-phenylcoumarins of Mesua thwaitesii". Phytochemistry 14: 265. doi:10.1016/0031-9422(75)85052-7.