Cyclobutanol is an organic compound with the chemical formula C₄H₈O; it is defined as a cyclobutyl group with a hydroxyl group pendant and thus a cycloalkanol. Physically, it is a yellowish clear liquid^[1] that crystallizes orthorhombically at low-temperatures.^[2]

Quick Facts Names, Identifiers ...

Cyclobutanol

Names
Preferred IUPAC name Cyclobutanol
Other names Cyclobutyl alcohol, Hydroxycyclobutane
Identifiers
CAS Number	2919-23-5 Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL449234
ChemSpider	68700 Y
ECHA InfoCard	100.018.963
EC Number	220-858-1
PubChem CID	76218
UNII	AD482C8GST Y
CompTox Dashboard (EPA)	DTXSID5062712
InChI InChI=1S/C4H8O/c5-4-2-1-3-4/h4-5H,1-3H2 Y Key: KTHXBEHDVMTNOH-UHFFFAOYSA-N Y
SMILES OC1CCC1
Properties
Chemical formula	C4H8O
Molar mass	72.107 g·mol−1
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225
Precautionary statements	P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501
Related compounds
Related	cyclobutane; cyclobutanone; cyclobutene
Related compounds	cyclopropanol; cyclopentanol; cyclohexanol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

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Cyclobutylamine's Demjanov rearrangement with nitrous acid gives cyclobutanol,^[3] and cyclopropylmethanol rearranges in strong acid to the same.^[4] Metal hydrides reduce cyclobutanone to cyclobutanol;^[5] conversely, cyclobutanol oxidation is a salt-free route to cyclobutanone.^[4]