This paper presents an overview of picric acid. In this review, we summarize the methods of preparation, spectral data, uses, identifiers, chemical properties, hazards and explosive data of picric acid. The interpretation of FTIR data, biological degradation and analytical importance have reviewed and discussed. The experimental and optimized geometrical parameters of picric acid reported have been reviewed. The various aspects of charge transfer complexes of Picric acid as an acceptor reported earlier on the experimental and computational methods have also been reviewed.
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