PCTP: Toxicity, persistence, and safety considerations for potential contamination

Pentachlorothiophenol (PCTP) is recognized for its toxicological concerns and environmental persistence. As a persistent, bioaccumulative, and toxic substance, PCTP has garnered attention due to its potential adverse impacts on ecosystems and human health. Despite its significance, research on PCTP remains relatively sparse, with limited recent literature available on its toxicity, methods for quantification, and occurrence in environmental matrices. Analytical methods for detecting PCTP have largely evolved from techniques used for similar compounds such as hexachlorobenzene, focusing on metabolite analysis in biological and environmental samples. Recent studies underscore the necessity for robust analytical techniques to precisely monitor PCTP levels in aquatic systems and human exposure scenarios. This review consolidates current knowledge on PCTP, emphasizing its toxicological profile, analytical methodologies, and occurrence in environmental samples. By synthesizing findings from recent studies, this paper offers insights into the current understanding of PCTP while identifying areas that warrant further investigation.