Isatoic anhydride

Isatoic anhydride
Names
	Preferred IUPAC name 2H-3,1-Benzoxazine-2,4(1H)-dione
Identifiers
CAS Number	118-48-9 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL346059;
ChemSpider	8056;
DrugBank	DB11593;
ECHA InfoCard	100.003.869
EC Number	204-255-0;
PubChem CID	8359;
UNII	R8TFA74Y4U ;
CompTox Dashboard (EPA)	DTXSID6026955 ;
	InChI InChI=1S/C8H5NO3/c10-7-5-3-1-2-4-6(5)9-8(11)12-7/h1-4H,(H,9,11) Key: TXJUTRJFNRYTHH-UHFFFAOYSA-N;
	SMILES C1=CC=C2C(=C1)C(=O)OC(=O)N2;
Properties
Chemical formula	C8H5NO3
Molar mass	163.132 g·mol−1
Appearance	white solid
Melting point	243 °C (469 °F; 516 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H317, H319
Precautionary statements	P261, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Isatoic anhydride is an organic compound derived from anthranilic acid. A white solid, it is prepared by reaction of anthranilic acid with phosgene.^[1]

Uses