Table 13. Partition Coefficients for either l-Phenylalanine or dl-Phenylalanine, as log P, at 298 K.

solvents	obs	refs	taken	calc
methanol	–1.040	(40)	–0.950	–0.796
methanol	–0.893	(33)
methanol	–0.844	(54)
methanol	–0.919	(60)
methanol	–1.053	(62)
ethanol	–1.830	(40)	–1.887	–1.534
ethanol	–1.934	(33)
ethanol	–1.891	(60)
ethanol	–1.895	(62)
propan-1-ol	–2.250	(40)	–2.093	–2.007
propan-1-ol	–1.936	(33)
butan-1-ol	–2.360	(40)	–2.360	–2.517
propan-2-ol	–2.440	(40)	–2.338	–2.213
propan-2-ol	–2.236	(33)
tert-butanol	–2.790	(40)	–2.515	–2.515
tert-butanol	–2.240	(33)
90% ethanol	–1.089	(33)	–1.089	–0.972
80% ethanol	–0.499	(54)	–0.499	–0.700
70% ethanol	–0.536	(33)	–0.536	–0.495
60% ethanol	–0.336	(54)	–0.336	–0.424
50% ethanol	–0.311	(33)	–0.311	–0.337
40% ethanol	–0.267	(54)	–0.267	–0.242
30% ethanol	–0.240	(33)	–0.240	–0.161
20% ethanol	–0.157	(54)	–0.157	–0.102
10% ethanol	–0.080	(33)	–0.080	–0.054
90% methanol	–0.679	(33)	–0.679	–0.743
80% methanol	–0.499	(54)	–0.499	–0.623
70% methanol	–0.390	(33)	–0.390	–0.504
60% methanol	–0.336	(54)	–0.336	–0.417
50% methanol	–0.311	(33)	–0.311	–0.324
40% methanol	–0.267	(54)	–0.267	–0.256
30% methanol	–0.240	(33)	–0.240	–0.172
20% methanol	–0.157	(54)	–0.157	–0.101
10% methanol	–0.080	(33)	–0.080	–0.043
octan-1-ol, wet	–1.630	(2)	–1.630	–1.930
butan-1-ol, wet	–0.580	(2)	–0.580	–0.443
dimethylformamide	–1.793	(60)	–1.793	–2.092
acetonitrile	–3.457	(60)	–3.457	–3.315
dimethylsulfoxide	–1.299	(60)	–1.000	–0.766
dimethylsulfoxide	–1.000	(61)
propanone	–2.132a	(60)		–3.394

^aNot used.