Divinyl ether

Divinyl ether
Names
	Preferred IUPAC name (Ethenyloxy)ethene
	Other names divinyl ether, divinyl oxide, ethenoxyethene, vinyl ether
Identifiers
CAS Number	109-93-3;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:81293;
ChEMBL	ChEMBL2105883;
ChemSpider	7733;
ECHA InfoCard	100.003.383
EC Number	203-720-5;
KEGG	C17721;
PubChem CID	8024;
UNII	2H2T044E11;
UN number	1167
CompTox Dashboard (EPA)	DTXSID5074555 ;
	InChI InChI=1S/C4H6O/c1-3-5-4-2/h3-4H,1-2H2 Key: QYKIQEUNHZKYBP-UHFFFAOYSA-N;
	SMILES O(\C=C)\C=C;
Properties
Chemical formula	O(CH=CH2)2
Molar mass	70.091 g·mol−1
Appearance	colorless liquid or gas
Melting point	−101 °C (−150 °F; 172 K)
Boiling point	28.3 °C (82.9 °F; 301.4 K)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	flammable
NFPA 704 (fire diamond)	2 4 2
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Divinyl ether is the organic compound with the formula O(CH=CH₂)₂. It is a colorless, volatile liquid that has mainly been of interest as an inhalation anesthetic. It is prepared by treating bis(chloroethyl) ether with base.