Dynamic Viscosity of Hydrocarbons



Dynamic Viscosity of Cyclic Hydrocarbons


Dynamic Viscosity,  μ·103  [N·sec/m2]

Formula

Name

Temperature, oC

-20

-10

0

10

20

30

40

50

60

80

100

110

C5H10

Cyclopentane

0.72

0.631

0.555

0.491

0.439

0.393

0.354

0.323

-

-

-

-

C6H12

Methylyclopentane

0.86

0.745

0.648

0.569

0.505

0.450

0.404

0.365

0.330

-

-

-

C6H12

Cyclohexane

-

-

-

1.180

0.979

0.826

0.704

0.608

0.531

0.411

-

-

C7H14

Ethylcyclopentane

0.96

0.829

0.725

0.637

0.565

0.506

0.456

0.412

0.376

0.320

0.270

-

C7H14

Methylcyclohexane

1.41

1.175

0.991

0.847

0.731

0.639

0.562

0.500

0.446

0.36

0.30

-

C8H16

n-Propylcyclopentane

1.24

1.049

0.886

0.772

0.679

0.603

0.538

0.488

0.444

0.38

0.33

0.30

C8H16

Ethylcyclohexane

1.63

1.356

1.142

0.976

0.843

0.737

0.651

0.581

0.523

0.43

0.37

0.34

C21H42

Hexadecylcyclopentane

-

-

-

-

9.63

7.28

5.56

4.43

3.55

2.45

1.84

1.58

C21H42

Pentadecylcyclohexane

-

-

-

-

-

8.91

6.69

5.21

4.15

2.74

1.87

1.57

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Dynamic Viscosity of Aromatic Hydrocarbons



Dynamic Viscosity,  μ·103  [N·sec/m2]

Formula

Name

Temperature, oC

-20

-10

0

10

20

30

40

60

80

100

120

150

C6H6

Benzene

-

-

-

0.755

0.649

0.559

0.489

0.389

0.318

0.261*

0.220*

0.169*

C7H8

Toluene

0.989

0.863

0.770

0.667

0.584

0.517

0.469

0.381

0.318

0.269

-

-

C8H10

Ethylbenzene

1.170

1.021

0.873

0.757

0.671

0.596

0.530

0.436

0.363

0.368

0.265

-

C8H10

o-Xylene

1.447

1.232

1.055

0.917

0.804

0.707

0.623

0.500

0.417

0.345

0.294

-

C8H10

m-Xylene

-

-

0.805

0.699

0.615

0.548

0.490

0.405

0.340

0.290

0.250

-

C8H10

p-Xylene

-

-

-

-

0.648

0.571

0.514

0.416

0.354

0.293

0.250

-

C12H18

n-Hexylbenzene

5.17

3.66

2.60

1.98

1.63

1.362

1.162

0.909

0.712

0.574

0.47

0.36

C16H26

n-Decylbenzene

16.0

9.81

6.72

4.94

3.80

3.02

2.46

1.730

1.275

0.977

0.77

0.56

C20H34

n-Tetradecylbenzene

-

-

-

10.63

7.65

5.66

4.43

2.90

2.06

1.507

1.14

0.79

* At saturated vapor pressure above the boiling point

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Dynamic Viscosity of Paraffin Hydrocarbons



Dynamic Viscosity,  μ·103  [N·sec/m2]

Formula

Name

Temperature, oC

-90

-50

-20

0

10

20

40

60

80

100

150

200

250

300

C4H10

n-Butane

0.63

0.355

0.252

0.207*

0.191*

0.174*

0.140*

-

-

-

-

-

-

-

C4H10

Isobutane
(2-Methylpropane)

-

0.392

0.267

0.214*

0.195*

0.176*

0.146*

-

-

-

-

-

-

-

C5H12

n-Pentane

0.448

0.474

0.341

0.283

0.259

0.240

-

-

-

-

-

-

-

-

C5H12

Isopentane
(2-Methylbutane)

-

0.56

0.352

0.277

0.248

0.224

-

-

-

-

-

-

-

-

C5H12

Neopentane
(2,2-Dimethylpropane)

-

-

-

0.327

0.280*

-

-

-

-

-

-

-

-

-

C6H14

n-Hexane

1.82

0.742

0.479

0.381

0.343

0.307

0.253

0.222

-

-

-

-

-

-

C6H14

Isohexane
 (2-Methylpentane)

-

-

-

0.370

0.331

0.298

0.246

0.206

-

-

-

-

-

-

C7H16

n-Heptane

3.85

1.18

0.689

0.526

0.466

0.417

0.339

0.283

0.241

0.209*

-

-

-

-

C7H16

Isoheptane
(2-Methylhexane)

-

-

-

0.476

0.424

0.379

0.309

0.257

0.216

-

-

-

-

-

C8H18

n-Octane

-

1.83

0.967

0.714

0.622

0.546

0.435

0.356

0.298

0.255

0.220

-

-

-

C9H20

n-Nonane

-

2.99

1.40

0.968

0.827

0.714

0.555

0.445

0.366

0.308

0.264

0.213

-

-

C10H22

n-Decane

-

-

1.93

1.27

1.07

0.907

0.701

0.552

0.448

0.372

0.314

0.249

-

-

C11H24

n-Undecane

-

-

2.779

1.742

1.425

1.182

0.871

0.671

0.535

0.437

0.365

0.288

-

-

C12H26

n-Dodecane

-

-

-

2.264

1.827

1.492

1.064

0.803

0.632

0.510

0.334

0.231

-

-

C13H28

n-Tridecane

-

-

-

2.962

2.339

1.878

1.312

0.969

0.751

0.598

0.380

0.262

-

-

C14H30

n-Tetradecane

-

-

-

-

2.96

2.322

1.560

1.135

0.868

0.685

0.431

0.294

0.207

-

C15H32

n-Pentadecane

-

-

-

-

3.663

2.841

1.873

1.355

1.010

0.786

0.483

0.326

0.231

-

C16H34

n-Hexadecane

-

-

-

-

-

3.451

2.232

1.560

1.161

0.892

0.532

0.349

0.242

-

C17H36

n-Heptadecane

-

-

-

-

-

4.209

2.652

1.829

1.340

1.014

0.598

0.392

0.277

0.203

C18H38

n-Octadecane

-

-

-

-

-

-

3.060

2.060

1.484

0.952

-

-

-

-

C19H40

n-Nonadecane

-

-

-

-

-

-

3.588

2.379

1.693

1.719

0.719

0.468

0.327

0.24

C20H42

n-Eicosane

-

-

-

-

-

-

4.072

2.665

1.880

1.403

1.094

0.505

0.353

0.26

* At saturated vapor pressure above the boiling point
Reference:   Kaye, G W C. Laby, T H. Tables of physical and chemical constants, Longman, London & New York ,1972

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