What is Ozone?
{{Chembox | Watchedfields = changed | verifiedrevid = 451527415 | ImageFile1 = File:Ozone-1,3-dipole.svg | ImageFile1_Ref = {{chemboximage|correct|??}} | ImageName1 = Skeletal formula of ozone with partial charges shown | ImageFileR2 = Ozone-CRC-MW-3D-vdW.png | ImageFileR2_Ref = {{chemboximage|correct|??}} | ImageNameR2 = Spacefill model of ozone | ImageFileL2 = Ozone-CRC-MW-3D-balls.png | ImageFileL2_Ref = {{chemboximage|correct|??}} | ImageNameL2 = Ball and stick model of ozone | IUPACName = Trioxygen | OtherNames = 2λ<sup>4</sup>-trioxidiene; ''catena''-trioxygen |Section1={{Chembox Identifiers | IUPHAR_ligand = 6297 | CASNo = 10028-15-6 | CASNo_Ref = {{cascite|correct|CAS}} | PubChem = 24823 | ChemSpiderID = 23208 | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | UNII = 66H7ZZK23N | UNII_Ref = {{fdacite|correct|FDA}} | EINECS = 233–069–2 | MeSHName = Ozone | RTECS = RS8225000 | ChEBI_Ref = {{ebicite|correct|EBI}} | ChEBI = 25812 | Gmelin = 1101 | SMILES = [O-][O+]=O | StdInChI = 1S/O3/c1-3-2 | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | InChI = 1/O3/c1-3-2 | StdInChIKey = CBENFWSGALASAD-UHFFFAOYSA-N | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | InChIKey = CBENFWSGALASAD-UHFFFAOYAY }} |Section2={{Chembox Properties | Solvent = other solvents | O=3 | Appearance = Colourless to pale blue gas< | Odour = Pungent | Density = 2.144 mg cm<sup>−3</sup> (at 0&nbsp;°C) | Solubility = 1.05 g L<sup>−1</sup> (at 0&nbsp;°C) | SolubleOther = Very soluble in [[carbon tetrachloride|CCl<sub>4</sub>]], [[sulfuric acid]] | MeltingPtK = 81 | BoilingPtK = 161 | RefractIndex = 1.2226 (liquid), 1.00052 (gas, STP, 546 nm&nbsp;— note high dispersion)<ref>{{cite journal|last1=Cuthbertson|first1=Clive|last2=Cuthbertson|first2=Maude|title=On the Refraction and Dispersion of the Halogens, Halogen Acids, Ozone, Steam Oxides of Nitrogen, and Ammonia|journal=[[Philosophical Transactions of the Royal Society A]]|date=1914|volume=213|issue=497–508|pages=1–26|doi=10.1098/rsta.1914.0001|url=https://archive.org/stre