Thermal decomposition temperature and melting points of ILs^a.

ILs	T d (°C)	M p (°C)
[(PYR)C4Cl][PF6]	238	49.6
[(PYR)C5Cl][PF6]	248	40.7
[PF6][(PYR)C4(MIM)][Cl]	237	98.3
[PF6][(PYR)C4(PYR)][Cl]	235	160.9
[PF6][(PYR)C5(MIM)][Cl]	232	81.5
[PF6][(PYR)C5(PYR)][Cl]	230	97.3
[(MIM)C2COOH][PF6]	215	91.7
[(PYR)C2COOH][PF6]	190	101.3

^a T _d decomposition temperature; M_p melting points.