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Ionic liquids based on bromoxynil for reducing adverse impacts on the environment and human health

Abstract

Many herbicides exhibit some disadvantages such as high water solubility and volatility after application, which lead to potential threats to aquatic and atmospheric environment and human health. Herbicidal ionic liquids (HILs) can effectively eliminate these intrinsic shortcomings by pairing with appropriate counter ions (cation or anion). In this study, new HILs based on bromoxynil with eight typical cations were synthesized to reduce the negative impacts of currently used forms of bromoxynil. All the obtained compounds were investigated on solubility, octanol–water partition coefficient, surface activity, volatilization rate, herbicidal activity in greenhouse. The results showed that the HILs with long alkyl chains in the cations had reduced water solubility and volatilization rate, better surface activity and Kow, and substantially improved efficacy against weeds over bromoxynil sodium. Due to the adjustable physicochemical properties and improved herbicidal activity, the HILs could tremendously reduce the adverse impacts of bromoxynil on the environment and human health and may be a potential alternative to currently popular forms of bromoxynil in the future.

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Publication details

The article was received on 16 May 2017, accepted on 06 Jul 2017 and first published on 06 Jul 2017


Article type: Paper
DOI: 10.1039/C7NJ01694H
Citation: New J. Chem., 2017, Accepted Manuscript
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    Ionic liquids based on bromoxynil for reducing adverse impacts on the environment and human health

    G. Tang, Y. Liu, G. Ding, W. Zhang, Y. Liang, C. Fan, H. Dong, J. Yang, D. Kong and Y. Cao, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ01694H

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