CMC values of [PRIm][Br]. The test temperature: 15 °C.

Ionic liquids	CMC (mmol L−1)
[PPIm][Br]a	239.2
[PHIm][Br]b	70.4
[PDoIm][Br]b	6.1
[PHeIm][Br]a	1.2
[MDoIm][Br]c	10.1
[MTeIm][Br]c	2.7

^aCalculated values.

^bTested values.

^cReported values from ref. 31.