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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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1-Butyl-3-methylimidazolium entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-09 and was most recently seen on 2026-04-09.
C4mim is a shorthand for the 1-butyl-3-methylimidazolium cation; where C4 refers to the butyl group. It is also abbreviated Bmim, and (rarely) Bumim. Salts containing this imidazole cation are ionic liquids. A common example of such is [C4mim][Cl], or 1-butyl-3-methylimidazolium chloride. Other examples include BMIM-PF6, [Bmim]BF4, and C4mim-FeCl4, the latter of which is a magnetic ionic liquid.
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