Miscellaneous azo dyes: a comprehensive review on recent advancements in biological and industrial applications

Reem I. Alsantali, Qandeel Alam Raja, Abdullah Y.A. Alzahrani, Amina Sadiq, Nafeesa Naeem, Ehsan Ullah Mughal, Munirah M. Al-Rooqi, Nizar El Guesmi, Ziad Moussa, Saleh A. Ahmed

Research output: Contribution to journalReview articlepeer-review

55 Citations (Scopus)

Abstract

Azo dyes, compounds having double bond linkage between two nitrogen atoms, are widely found as a main scaffold in a massive library of organic species that exhibit promising industrial and biological properties. Due to the numerous potential applications accredited to the azo function, there has been a significant surge in designing novel azo dyes and introducing advanced synthetic routes for their preparation, as well as investigating their diverse properties and seeking potential new applications for this class of compounds. This systematic review contains two parts and is set apart from the classic azo reviews in several aspects. The first part focuses on the biological affinities of azo dyes, while the second part covers the industrial applications of these molecules. In this review, we consolidate and highlight the significant applications of novel azo dyes in biological as well as in industrial fields. It is expected that this review will be helpful in future research to develop more potent multifunctional azo dyes.

Original languageEnglish
Article number110050
JournalDyes and Pigments
Volume199
DOIs
Publication statusPublished - Mar 2022

Keywords

  • Azo compounds
  • Azo dyes
  • Biological applications
  • Coloring agents
  • Diazotization
  • Industrial applications

ASJC Scopus subject areas

  • General Chemical Engineering
  • Process Chemistry and Technology

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