What is Cyclopentane?
{{chembox | Name = | ImageFile = | ImageFileL1 = Cyclopentane v2.svg | ImageFileR1 = Cyclopentane3d.png | ImageSizeL1 = 100px | ImageAltL1 = Skeletal formula | ImageFileL1_Ref = {{chemboximage|correct|??}} | ImageSizeR1 = 110px | ImageAltR1 = Space-filling model | OtherNames = pentamethylene | PIN = Cyclopentane | Section1 = {{Chembox Identifiers | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 8896 | InChI = 1/C5H10/c1-2-4-5-3-1/h1-5H2 | InChIKey = RGSFGYAAUTVSQA-UHFFFAOYAL | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI = 1S/C5H10/c1-2-4-5-3-1/h1-5H2 | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = RGSFGYAAUTVSQA-UHFFFAOYSA-N | CASNo_Ref = {{cascite|correct|CAS}} | CASNo=287-92-3 | UNII_Ref = {{fdacite|correct|FDA}} | UNII = T86PB90RNU | PubChem=9253 | ChEBI_Ref = {{ebicite|correct|EBI}} | ChEBI = 23492 | SMILES=C1CCCC1 | RTECS=GY2390000 | EINECS = 206-016-6 }} | Section2 = {{Chembox Properties | Formula=C<sub>5</sub>H<sub>10</sub> | MolarMass=70.1 g/mol | Appearance=clear, colorless liquid | Odor = mild, sweet | Density=0.751 g/cm<sup>3</sup> | MeltingPtC=-93.9 | BoilingPtC=49.2 | Solubility=156 mg·l<sup>−1</sup> (25 °C)<ref>{{GESTIS|ZVG=27960|CAS=287-92-3|Name=cyclopentane|Date=28 February 2015}}</ref> | SolubleOther = soluble in [[ethanol]], [[acetone]], [[diethyl ether|ether]] | pKa = ~45 | pKb = | RefractIndex = 1.4065 | VaporPressure = 45 [[kPa]] (20 °C) <ref>{{cite web | url=http://www.ilo.org/dyn/icsc/showcard.display?p_version=2&p_card_id=0353 | title=Icsc 0353 - Cyclopentane }}</ref> | MagSus = -59.18·10<sup>−6</sup> cm<sup>3</sup>/mol }} | Section3 = {{Chembox Hazards | MainHazards=Flammable<ref name=PGCH/> | FlashPtC = -37.2 | AutoignitionPtC = 361 | NFPA-H = 1 | NFPA-F = 3 | NFPA-R = 0 | PEL = none<ref name=PGCH>{{PGCH|0171}}</ref> | ExploLimits = 1.1%-8.7%<ref name=PGCH/> | IDLH = N.D.<ref name=PGCH/> | REL = TWA 600 ppm (1720 mg/m<sup>3</sup>)<ref name=PGCH/