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. 2019 Feb 8;4(2):2883–2892. doi: 10.1021/acsomega.8b03242

Table 11. Water–Solvent Partition Coefficients, as log P, at 298 K for Valine at 298 K.

    log P
solvents refs obs calc
methanol (34) –1.63 –1.50
propan-1-ol (34) –2.40 –2.67
propan-2-ol (34) –3.53 –3.21
tert-butanol (35) –3.58 –3.43
dioxane (43) –2.48  
ethanol (37) –2.65 –2.48
96% (37) –2.27 –2.08
95% (37) –2.18 –2.00
90% (37, 53) –1.81 –1.54
80% (37, 53) –1.30 –1.20
70% (37, 53) –0.99 –0.96
60% (37, 53) –0.81 –0.84
50% (37, 53) –0.67 –0.71
40% (37, 53) –0.55 –0.57
30% (37, 53) –0.40 –0.44
20% (37, 53) –0.25 –0.33
10% (37, 53) –0.10 –0.19
methanol      
90% (34) –1.28 –1.30
80% (34, 45) –1.05 –1.17
60% (34, 45) –0.71 –0.95
50% (34) –0.59 –0.82
40% (34, 36, 45) –0.46 –0.74
30% (34, 36) –0.36 –0.49
20% (34, 36, 45) –0.21 –0.31
10% (34, 36) –0.11 –0.14
octan-1-ol, wet (2) –2.26 –2.69
butan-1-ol, wet (2, 32) –1.14 –1.61