Cyclobutane

Cyclobutane
Names
	Preferred IUPAC name Cyclobutane
	Other names Ethene dimer; Biethylene; Diethylene
Identifiers
CAS Number	287-23-0 [EBI];
3D model (JSmol)	Interactive image;
Beilstein Reference	1900183
ChEBI	CHEBI:30377;
ChemSpider	8894 ;
ECHA InfoCard	100.005.468
EC Number	206-014-5;
Gmelin Reference	81684
PubChem CID	9250;
UNII	5X619RB2CY ;
UN number	2601
CompTox Dashboard (EPA)	DTXSID2059772 ;
	InChI InChI=1S/C4H8/c1-2-4-3-1/h1-4H2 Key: PMPVIKIVABFJJI-UHFFFAOYSA-N ; InChI=1/C4H8/c1-2-4-3-1/h1-4H2 Key: PMPVIKIVABFJJI-UHFFFAOYAP;
	SMILES C1CCC1;
Properties
Chemical formula	C4H8
Molar mass	56.107 g/mol
Appearance	Colorless gas
Density	0.720 g/cm3
Melting point	−91 °C (−132 °F; 182 K)
Boiling point	12.5 °C (54.5 °F; 285.6 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H220
Precautionary statements	P210, P377, P381, P403, P410+P403
NFPA 704 (fire diamond)	1 4 0
Related compounds
Related alkane	Butane
Related compounds	Cyclobutene; Cyclobutadiene; Cyclopropane; Cyclopentane
	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

Cyclobutane is a cycloalkane and organic compound with the formula (CH₂)₄. Cyclobutane is a colourless gas and is commercially available as a liquefied gas. Derivatives of cyclobutane are called cyclobutanes. Cyclobutane itself is of no commercial or biological significance, but more complex derivatives are important in biology and biotechnology.