Estimation of physicochemical properties of 52 non-PBDE brominated flame retardants and evaluation of their overall persistence and long-range transport potential

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Non-PBDE (polybromodiphenyl ether) brominated flame retardants (BFRs) used as alternatives to PBDEs should be evaluated in terms of their environmental contamination potential. We first used two well-known estimation tools, EPI Suite and SPARC, to estimate the physicochemical properties of 52 non-PBDE BFRs. We assessed the dependence of the properties on the molecular weight and chemical structure of the compounds. The accuracy of the estimates was evaluated by comparing results with previous experimental data. In the case of EPI Suite, we have recommended an appropriate calculation method for the air-water partition coefficient. Half-lives in each environmental medium were also estimated with EPI Suite. Based on the estimated properties and half-lives, the overall persistence (Pov) and long-range transport potential (LRTP) of the BFRs were calculated using the Organization for Economic Cooperation and Development Pov and LRTP Screening Tool. We selected some POP-like chemicals from among the non-PBDE BFRs on the basis of their Pov and LRTP. From a Monte Carlo analysis of the calculated results for the selected BFRs, we suggest physicochemical properties to be measured in the future.

Original languageEnglish
JournalThe Science of The Total Environment
Volume491-492
Issue number9
Pages (from-to)108-117
Number of pages10
ISSN0048-9697
DOIs
Publication statusPublished - 01.09.2014

    Research areas

  • Chemistry - Environmental Monitoring, Environmental Pollutants, Environmental Pollution, Flame Retardants, Half-Life, Halogenated Diphenyl Ethers, Hydrocarbons, Brominated, Models, Chemical

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