Oxetane

Oxetane
Names
	Preferred IUPAC name Oxetane
	Systematic IUPAC name 1,3-Epoxypropane; Oxacyclobutane
	Other names 1,3-Propylene oxide; Trimethylene oxide
Identifiers
CAS Number	503-30-0 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	102382
ChEBI	CHEBI:30965 ;
ChemSpider	9994 ;
ECHA InfoCard	100.007.241
EC Number	207-964-3;
Gmelin Reference	239520
PubChem CID	10423;
UNII	I279Q16FU6 ;
UN number	1280
CompTox Dashboard (EPA)	DTXSID8025969 ;
	InChI InChI=1S/C3H6O/c1-2-4-3-1/h1-3H2 Key: AHHWIHXENZJRFG-UHFFFAOYSA-N ; InChI=1/C3H6O/c1-2-4-3-1/h1-3H2 Key: AHHWIHXENZJRFG-UHFFFAOYAE;
	SMILES C1CCO1;
Properties
Chemical formula	C3H6O
Molar mass	58.08 g/mol
Density	0.8930 g/cm3
Melting point	−97 °C (−143 °F; 176 K)
Boiling point	49 to 50 °C (120 to 122 °F; 322 to 323 K)
Refractive index (nD)	1.3895 at 25°C
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H302, H312, H332
Precautionary statements	P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P312, P322, P330, P363, P370+P378, P403+P235, P501
Flash point	−28.3 °C; −19.0 °F; 244.8 K (NTP, 1992)
	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

Oxetane, or 1,3-propylene oxide, is a heterocyclic organic compound with the molecular formula C
₃H
₆O, having a four-membered ring with three carbon atoms and one oxygen atom.

The term "an oxetane" or "oxetanes" refer to any organic compound containing the oxetane ring.

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