Table IV.

Temperature Dependencies of 2- and 3-Acetaminophen Solubility, X ₂ (mol frac), in n-Hexane, Water, and n-Octanol

	2-Acetaminophen			3-Acetaminophen
	n-Hexane	Water	n-Octanol	n-Hexane	Water	n-Octanol
t (°C)	X 2 × 106	X 2 × 104	X 2 × 103	X 2 × 106	X 2 × 103	X 2 × 102
20	3.69	1.20	4.70	3.73	1.18	3.47
25	4.98	1.34	5.63	5.13	1.58	3.88
30	6.14	1.58	6.41	7.14	1.99	4.42
37	8.46	1.90	8.31	11.8	2.71	5.18
42	10.8	2.14	9.47	17.4	3.31	5.84
A a	2.5 ± 0.4	−0.5 ± 0.3	4.7 ± 0.3	9.5 ± 0.7	7.9 ± 0.4	4.1 ± 0.1
B b	4401 ± 113	2492 ± 81	2961 ± 89	6455 ± 209	4287 ± 117	2194 ± 37
R b	0.999	0.998	0.999	0.998	0.999	0.999
σc	2.18 × 10−2	1.56 × 10−2	1.71 × 10−2	4.00 × 10−2	2.25 × 10−2	7.05 × 10−3

^aParameters of the correlation equation: ln X ₂ = A − B/T

^b R is pair correlation coefficient.

^c σ is standard deviation.