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Boulder City, CO, United States

Dummer N.M.,1155 Marine St. and 104
Reviews in Environmental Science and Biotechnology | Year: 2014

4(5)-Methylbenzotriazole (MeBT), also known as tolyltriazole is a widely used compound that effectively prevents the corrosion of many metals in acidic and saline aqueous solutions. This review summarizes the current body of knowledge related to MeBT including its uses, corrosion inhibition capabilities, chemical and toxicological properties, occurrence in the environment, and treatment and removal from water supplies. Key conclusions include: poor biodegradability of the 5-MeBT isomer and the recalcitrance of the 4-MeBT isomer leading to persistence in the environment, poor removal efficiencies in conventional water treatment facilities, and the generally unknown chronic effects of MeBT. The aim of this paper is to bring to light the relevant facts about MeBT in a concise manner so that we may make more informed decisions regarding its use and of the potential long-term environmental effects that it may cause. © 2013 Springer Science+Business Media Dordrecht. Source

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