Compound	Surface tension (mN/m) 0.1 wt%	Surface tension (mN/m) 0.1% surfactant (stability to hydrolysis)
		H₂SO₄ (5%) 25˚C	After boiling (5%) H₂SO₄		NaOH (1%) 25˚C	After boiling NaOH (1%)
		H₂SO₄ (5%) 25˚C	30 min	60 min	NaOH (1%) 25˚C	30 min	60 min
2a	32	35	36	38	34	35	35
2b	33	37	37	38	37	37	37
2c	35	36	39	42	38	39	40
3a	30	30	31	34	30	30	30
3b	32	31	33	34	30	30	31
3c	33	34	34	36	33	33	34
4a	31	32	33	34	31	31	31
4b	32	35	36	36	33	34	34
4c	35	37	38	40	37	37	38
5a	30	33	33	36	32	32	33
5b	32	34	34	35	32	33	33
5c	34	36	36	38	34	35	35
6a	30	35	35	37	34	34	35
6b	32	36	37	40	37	37	37
6c	36	37	39	41	36	38	39
7a	33	38	39	43	37	38	38
7b	31	35	34	44	37	39	39
7c	32	36	37	46	38	40	40
8a	31	31	33	34	31	30	31
8b	33	32	32	34	33	33	33
8c	36	33	34	37	34	35	35
9a	32	34	36	37	33	33	34
9b	33	35	36	39	33	35	35
9c	35	37	38	42	35	37	37