DTPD is a substituted p-phenylenediamine and non-oxidized version of DTPD-Q .[1] It has been found in water treatment plant influent, effluent, biosolids, and landfill leachates, indoor dust samples, and particulate matter 2.5 (PM2.5) in cities and by roadsides.1,2,3
References:
[1].Zhang, Z.-F., Zhang, X., Zhang, X., et al.Diphenylamine antioxidants in wastewater influent, effluent, biosolids and landfill leachate: Contribution to environmental releasesWater Res.189116602(2021).
[2].Zhu, J., Guo, R., Jiang, S., et al.Occurrence of p-phenylenediamine antioxidants (PPDs) and PPDs-derived quinones in indoor dustSci. Total Environ.912169325(2024).
[3].Wang, W., Cao, G., Zhang, J., et al.Beyond substituted p-phenylenediamine antioxidants: Prevalence of their quinone derivatives in PM[2].5Environ. Sci. Technol.56(15)10629-10637(2022).
















