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preface to fifteenth edition

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PHYSICAL PROPERTIES 5.101<br />

TABLE 5.16<br />

Viscosity and Surface Tension of Various Organic Substances (Continued)<br />

Surface tension,<br />

mN·m 1<br />

Substance a b Liquid range, C Viscosity, mN · s · m 2<br />

Octamethylcyclotetrasiloxane 20.19 0.0811 17 <strong>to</strong> 176 2.20(20)<br />

Octane 23.52 0.0951 56.8 <strong>to</strong> 125.7 0.546(20), 0.433(40), 0.355(60)<br />

Octanenitrile 29.61 0.0802 45.6 <strong>to</strong> 205 1.811(15), 1.356(30)<br />

Octanoic acid 29.21(20) 28.7(25) 16.6 <strong>to</strong> 239 5.020(25), 2.656(50), 1.654(75)<br />

1-Octanol 29.09 0.0795 15.5 <strong>to</strong> 195 10.64(15), 6.125(30), 3.232(50)<br />

2-Octanol 27.96 0.0820 31.6 <strong>to</strong> 180<br />

1-Octene 23.68 0.0958 102 <strong>to</strong> 121 0.470(20), 0.447(25)<br />

Oleic acid 32.80(20) 27.94(90) 13.4 <strong>to</strong> 360 38.80(20), 27.64(25)<br />

4-Oxopentanoic acid 41.69 0.0763 33 <strong>to</strong> 246<br />

Paraldehyde 28.28 0.1062 12.6 <strong>to</strong> 124 1.079(25), 0.692(50), 0.485(75)<br />

Parathion 39.2(25) 6 <strong>to</strong> 375 15.30(25)<br />

Pentachloroethane 37.09 0.1178 29.9 <strong>to</strong> 160 2.741(15), 2.070(30), 1.491(50)<br />

Pentadecane 28.78 0.0857 9.9 <strong>to</strong> 270 2.814(22)<br />

Pentanal 27.96 0.1010 92 <strong>to</strong> 103<br />

Pentane 18.25 0.1121 129.7 <strong>to</strong> 36.0 0.351(25), 0.274(0), 0.224(25)<br />

1,5-Pentanediol 43.2(20) 18 <strong>to</strong> 239 128(20)<br />

2,4-Pentanedione 33.28 0.1144 23.1 <strong>to</strong> 138 0.6(20)<br />

Pentanenitrile 27.44(20) 26.33(30) 92 <strong>to</strong> 141.3 0.779(15), 0.637(30)<br />

Pentanoic acid 28.90 0.0887 33.7 <strong>to</strong> 186 2.359(15), 1.774(30), 0.979(70)<br />

1-Pentanol 27.54 0.0874 79 <strong>to</strong> 137.5 4.650(15), 3.619(25), 1.820(50)<br />

2-Pentanol 25.96 0.1004 73 <strong>to</strong> 119.3 5.130(15), 2.780(30), 1.447(50)<br />

3-Pentanol 24.60(20) 23.76(30) 69 <strong>to</strong> 116 7.337(15), 3.306(30), 1.473(50)<br />

2-Pentanone 24.89 0.0655 76.8 <strong>to</strong> 102 0.641(0), 0.473(25), 0.362(50)<br />

3-Pentanone 27.36 0.1047 39.0 <strong>to</strong> 102 0.592(0), 0.444(25), 0.345(50)<br />

1-Pentene 18.20 0.1099 165 <strong>to</strong> 30.1 0.313(25), 0.241(0), 0.195(25)<br />

cis-2-Pentene 19.71 0.1172 151 <strong>to</strong> 37.0<br />

trans-2-Pentene 18.90 0.0997 140 <strong>to</strong> 36.3<br />

Pentyl acetate 27.66 0.0994 70.8 <strong>to</strong> 149.2 0.924(20), 0.862(25)<br />

Pentylamine 24.4(13) 55 <strong>to</strong> 104 1.030(0), 0.702(25), 0.493(50)<br />

Phenol 43.54 0.1069 41 <strong>to</strong> 182 3.437(50), 1.784(75), 1.099(100)<br />

2-Phenylacetamide 46.26 0.0788 157 <strong>to</strong> bp<br />

Phenyl acetate 45 <strong>to</strong> 196 1.799(45)<br />

Phenylace<strong>to</strong>nitrile 44.57 0.1155 23.8 <strong>to</strong> 233.5 1.93(25)<br />

1-Phenylethanol 42.88 0.1038 20 <strong>to</strong> 204<br />

Phenylhydrazine 48.14 0.1292 19.5 <strong>to</strong> 243 13.0(25), 4.553(50), 1.850(75)<br />

Phenyl isothiocyanate 42.73 0.1086 30 <strong>to</strong> 163<br />

Phenyl salicylate 45.20 0.0976 44 <strong>to</strong> 173<br />

()--Pinene 28.35 0.0944 64 <strong>to</strong> 156 1.61(25)<br />

L--Pinene 28.26 0.0934 61 <strong>to</strong> 166 1.70(20), 1.41(25)<br />

Piperidine 31.79 0.1153 11 <strong>to</strong> 106 1.573(25), 0.958(50), 0.649(75)<br />

1,2-Propanediol (see propylene<br />

glycol)<br />

1,3-Propanediol 47.43 0.0903 27 <strong>to</strong> 214 56.0(20), 18.0(40)<br />

Propanenitrile (propionitrile) 29.63 0.1153 92.8 <strong>to</strong> 97.2 0.294(25), 0.240(50), 0.202(75)<br />

1-Propanethiol 27.38 0.1272 113 <strong>to</strong> 68 0.503(0), 0.385(25)<br />

2-Propanethiol 24.26 0.1174 131 <strong>to</strong> 52.6 0.477(0), 0.357(25), 0.280(50)<br />

Propanoic acid 28.68 0.0993 20.5 <strong>to</strong> 141.1 1.030(25), 0.749(50), 0.569(75)<br />

Propanoic anhydride 30.30(20) 29.70(25) 45 <strong>to</strong> 170 1.144(20), 1.061(25)<br />

1-Propanol 25.26 0.0777 127 <strong>to</strong> 97.2 2.522(15), 1.722(30), 1.107(50)

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