Xanthone

Xanthone
Names
	Preferred IUPAC name 9H-Xanthen-9-one
	Other names 9-Oxoxanthene; Diphenyline ketone oxide
Identifiers
CAS Number	90-47-1 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	140443
ChEBI	CHEBI:37647 ;
ChEMBL	ChEMBL186784 ;
ChemSpider	6753 ;
ECHA InfoCard	100.001.816
EC Number	201-997-7;
Gmelin Reference	166003
PubChem CID	7020;
UNII	9749WEV0CA ;
CompTox Dashboard (EPA)	DTXSID6021795 ;
	InChI InChI=1S/C13H8O2/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8H Key: JNELGWHKGNBSMD-UHFFFAOYSA-N ; InChI=1/C13H8O2/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8H Key: JNELGWHKGNBSMD-UHFFFAOYAA;
	SMILES O=C1c2ccccc2Oc3ccccc31;
Properties
Chemical formula	C13H8O2
Molar mass	196.205 g·mol−1
Appearance	white solid
Melting point	174 °C (345 °F; 447 K)
Solubility in water	Sl. sol. in hot water
Magnetic susceptibility (χ)	-108.1·10−6 cm3/mol
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301
Precautionary statements	P264, P270, P301+P310, P321, P330, P405, P501
Related compounds
Related compounds	xanthene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Xanthone is an organic compound with the molecular formula O[C₆H₄]₂CO. It is a white solid.

In 1939, xanthone was introduced as an insecticide and it currently finds uses as ovicide for codling moth eggs and as a larvicide. Xanthone is also used in the preparation of xanthydrol, which is used in the determination of urea levels in the blood. It can also be used as a photocatalyst.

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