3-Benzoxepin

3-Benzoxepin
Names
	Preferred IUPAC name 3-Benzoxepine
Identifiers
CAS Number	264-13-1;
3D model (JSmol)	Interactive image;
ChemSpider	2892804;
PubChem CID	3659427;
CompTox Dashboard (EPA)	DTXSID401029265 ;
	InChI InChI=1S/C10H8O/c1-2-4-10-6-8-11-7-5-9(10)3-1/h1-8H Key: APSZPCTXHHKIQO-UHFFFAOYSA-N;
	SMILES C1=CC=C2C=COC=CC2=C1;
Properties
Chemical formula	C10H8O
Molar mass	144.173 g·mol−1
Appearance	Yellow solid
Melting point	84 (83–84 °C; 84 °C)
Solubility	soluble in apolar solvents (diethyl ether, benzene, tetrachloromethane) and alcohols (methanol)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

3-Benzoxepin is an annulated ring system with an aromatic benzene ring and a non-aromatic, unsaturated, oxygen-containing seven-membered heterocyclic oxepin. The first synthesis was described by Karl Dimroth and coworkers in 1961. It is one of the three isomers of the benzoxepins.