para-Azoxyanisole

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Para-Azoxyanisole
IUPAC name 1-methoxy-4-[(4-methoxyphenyl)-
NNO-azoxy]benzene
Identifiers
3D model (JSmol)
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Properties
C14H14N2O3
Molar mass 258.27 g/mol
Melting point
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

para-Azoxyanisole (PAA) is a zwitterionic liquid crystal. 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,[1] p-azoxyanisole has been played an important role in the development of liquid crystal displays.[2]

References

  1. Shao, Y.; Zerda, T. W. (1998). "Phase Transitions of Liquid Crystal PAA in Confined Geometries". Journal of Physical Chemistry B. 102 (18): 3387–3394.
  2. Liquid Gold: The Story of Liquid Crystal Displays and the Creation of an Industry, Joseph A. Castellano, ISBN 978-9812389565

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