4-[(2-Chloro-4-nitro­phen­yl)diazen­yl]-N,N-diethyl­aniline
2011

Crystal Structure of a Disperse Dye

publication Evidence: moderate

Author Information

Author(s): Gong Liangyu, Lu Lihua

Primary Institution: Qingdao Agriculture University

Hypothesis

The structural properties of disperse dyes in solid state affect their absorption and dyeing performance.

Conclusion

The study presents the crystal structure of 4-(N,N-diethylamino)-2'-chloro-4'-nitroazobenzene, revealing specific torsion angles and orientations of functional groups.

Supporting Evidence

  • The aromatic ring is slightly twisted with respect to the diazene group.
  • The NO2 group is twisted relative to the aromatic ring.
  • The two ethyl chains in the N,N-diethylamino group are positioned above and below the ring.

Takeaway

This study looks at how a dye is structured, which helps us understand how it works when used to color fabrics.

Methodology

The crystal was obtained by dissolving the compound in acetone and allowing it to evaporate slowly.

Digital Object Identifier (DOI)

10.1107/S160053681100537X

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