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Revision as of 21:18, 17 October 2011 editThe chemistds (talk | contribs)Extended confirmed users5,761 edits added CSID, (Std)InChI & (Std)InChIKey← Previous edit Latest revision as of 20:02, 23 September 2024 edit undoJWBE (talk | contribs)Extended confirmed users10,127 edits removed Category:Phenol ethers; added Category:4-Methoxyphenyl compounds using HotCat 
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{{DISPLAYTITLE:''para''-Azoxyanisole}} {{DISPLAYTITLE:''para''-Azoxyanisole}}
{{Orphan|att=May 2008|date=December 2010}}
{{chembox {{chembox
| Watchedfields = changed | Watchedfields = changed
| verifiedrevid = 407275534 | verifiedrevid = 456075721
| Name = '''''para''-Azoxyanisole''' | Name = ''para''-Azoxyanisole
| ImageFile = Para-Azoxyanisole.png | ImageFile = Para-azoxyanisole.svg
| ImageSize = 200px | ImageSize = 200px
| ImageName = Para-Azoxyanisole | ImageName = Para-Azoxyanisole
| IUPACName = 1-methoxy-4-benzene | IUPACName = 1-Methoxy-4-benzene
| OtherNames=''p''-Azoxyanisole | OtherNames =''p''-Azoxyanisole
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 1562-94-3 | CASNo = 1562-94-3
⚫ | SMILES = COc2ccc(\N=(/)c1ccc(OC)cc1)cc2
| UNII_Ref = {{fdacite|correct|FDA}}
⚫ | PubChem = 15277
| UNII = 4G08S4XUIX
⚫ | ChemSpiderID = 14542
⚫ | SMILES = COc2ccc(\N=(/)c1ccc(OC)cc1)cc2
⚫ | InChI = 1/C14H14N2O3/c1-18-13-7-3-11(4-8-13)15-16(17)12-5-9-14(19-2)10-6-12/h3-10H,1-2H3/b16-15-
⚫ | PubChem = 15277
⚫ | InChIKey = KAEZRSFWWCTVNP-NXVVXOECBU
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
⚫ | StdInChI = 1S/C14H14N2O3/c1-18-13-7-3-11(4-8-13)15-16(17)12-5-9-14(19-2)10-6-12/h3-10H,1-2H3/b16-15-
⚫ | ChemSpiderID = 14542
⚫ | StdInChIKey = KAEZRSFWWCTVNP-NXVVXOECSA-N
⚫ | InChI = 1/C14H14N2O3/c1-18-13-7-3-11(4-8-13)15-16(17)12-5-9-14(19-2)10-6-12/h3-10H,1-2H3/b16-15-
⚫ | InChIKey = KAEZRSFWWCTVNP-NXVVXOECBU
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
⚫ | StdInChI = 1S/C14H14N2O3/c1-18-13-7-3-11(4-8-13)15-16(17)12-5-9-14(19-2)10-6-12/h3-10H,1-2H3/b16-15-
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
⚫ | StdInChIKey = KAEZRSFWWCTVNP-NXVVXOECSA-N
}} }}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| C=14 | H= 14 | N=2 | O=3
| Formula = C<sub>14</sub>H<sub>14</sub>N<sub>2</sub>O<sub>3</sub>
⚫ | Appearance =
| MolarMass = 258.27 g/mol
| Density = 1.14 g/cm<sup>3</sup>
⚫ | Appearance =
| Density = 1.14g/cm3 | MeltingPtC = 114.9
| MeltingPtC = 114.9 | BoilingPtC = 417.9
| BoilingPt_notes = at 760&nbsp;mmHg{{dubious|reason=418 °C is way too high to be real - it will surely decompose well below this temperature|date=September 2021}}{{cn|date=September 2021}}
| BoilingPt = 417.9°C @ 760mmHg
}} }}
| Section3 = {{Chembox Hazards |Section3={{Chembox Hazards
| FlashPt = 206.6°C | FlashPtC = 206.6
}} }}
}} }}


'''''para''-Azoxyanisole''' (PAA) is an organic, aromatic compound. In a solid state, it appears as a white powder, but when heated it forms a liquid crystal. As one of the first known and most readily prepared liquid crystals,<ref name="Shao">{{cite journal|title=Phase Transitions of Liquid Crystal PAA in Confined Geometries|author=Shao, Y.; Zerda, T. W.|journal=Journal of Physical Chemistry B|year=1998|volume=102|issue=18|pages=3387–3394|doi=10.1021/jp9734437}}</ref> PAA has been played an important role in the development of ]s.<ref>''Liquid Gold: The Story of Liquid Crystal Displays and the Creation of an Industry'', Joseph A. Castellano, ISBN 978-9812389565</ref> '''''para''-Azoxyanisole''' ('''PAA''') is an ], ]. Its ] is '''C<sub>14</sub>H<sub>14</sub>N<sub>2</sub>O<sub>3</sub>'''. In a ], it appears as a white ], but when heated it forms a ]. As one of the first known and most readily prepared liquid crystals,<ref name="Shao">{{cite journal|title=Phase Transitions of Liquid Crystal PAA in Confined Geometries|author1=Shao, Y. |author2=Zerda, T. W. |journal=Journal of Physical Chemistry B|year=1998|volume=102|issue=18|pages=3387–3394|doi=10.1021/jp9734437}}</ref> PAA has played an important role in the development of ]s.<ref>''Liquid Gold: The Story of Liquid Crystal Displays and the Creation of an Industry'', Joseph A. Castellano, {{ISBN|978-981-238-956-5}}</ref>


Its liquid crystal range is from 118 °C to 136 °C. The solid to nematic transition is at 118 °C and the nematic to isotropic liquid transition at 136 °C.<ref name="Shao"/> Its liquid crystal range is from 118&nbsp;°C to 136&nbsp;°C. The solid to ] ] is at 118&nbsp;°C and the nematic to ] liquid transition at 136&nbsp;°C.<ref name="Shao"/>


==References== ==References==
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