Azetidine

Azetidine
Names
	Preferred IUPAC name Azetidine
	Systematic IUPAC name Azacyclobutane
	Other names Azetane; Trimethylene imine; 1,3-Propylenimine
Identifiers
CAS Number	503-29-7 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	102384
ChEBI	CHEBI:30968 ;
ChEMBL	ChEMBL2171713 ;
ChemSpider	9993 ;
ECHA InfoCard	100.007.240
EC Number	207-963-8;
Gmelin Reference	986
PubChem CID	10422;
UNII	37S883XDWR;
CompTox Dashboard (EPA)	DTXSID8060117 ;
	InChI InChI=1S/C3H7N/c1-2-4-3-1/h4H,1-3H2 Key: HONIICLYMWZJFZ-UHFFFAOYSA-N ; InChI=1/C3H7N/c1-2-4-3-1/h4H,1-3H2 Key: HONIICLYMWZJFZ-UHFFFAOYAE;
	SMILES N1CCC1;
Properties
Chemical formula	C3H7N
Molar mass	57.09 g/mol
Appearance	colorless liquid
Density	0.847 g/cm3 at 25 °C
Boiling point	61 to 62 °C (142 to 144 °F; 334 to 335 K)
Solubility in water	miscible
Acidity (pKa)	11.29 (conjugate acid; H2O)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Somewhat strong base, combustible
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H314
Precautionary statements	P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, P501
Related compounds
Other anions	Oxetane, Phosphetane, Thietane
Related compounds	Aziridine, Diazetidine, Pyrrolidine, Piperidine, Azepane, Azocane, Azonane
	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

Azetidine is a saturated heterocyclic organic compound containing three carbon atoms and one nitrogen atom. It is a liquid at room temperature with a strong odor of ammonia and is strongly basic compared to most secondary amines.