Table 2.

Collection of environmental indices of common solvents used in this study and some morpholine derivatives.

Solvent	CAS	EI	EI(PCOP=0)	TB [K]
DMSO	[67-68-5]	11.68	0.26	462
DMF	[68-12-2]	2.16	2.16	426
1,4-dioxane	[123-91-1]	5.26	0.97	375
acetone	[67-64-1]	1.27	0.66	329
acetonitrile	[75-05-8]	1.88	1.88	355
morpholine	[110-91-8]	2.95	2.95	401
4-formylmorpholine	[4394-85-8]	0.51	0.51	512
4-methylmorpholine	[109-02-4]	1.93	1.93	389
4-ethylmorpholine	[100-74-3]	2.12	2.12	412