Refrigerant 142b (Chlorodifluoroethane) properties of saturated liquid and saturated vapor

From ASHRAE (1997), with permission

Values shown in red are at the boiling point

Temp., °F

Pressure, psia

Density, lb/ft3

Volume, ft3/lb

Enthalpy, Btu/lb

Entropy, Btu/lb·°F

Specific heat, cp, Btu/lb·°F

cp/cv

Velocity of sound, ft/s

Viscosity, lbm/ft·h

Thermal cond., Btu/h·ft·°F

Surface tension, dyne/cm

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

-60

2.135

80.26

19.796

-3.732

92.263

-0.00910

0.23109

0.1623

1.1441

471

-55

2.485

79.89

17.199

-2.822

93.043

-0.00684

0.23006

0.1636

1.1435

473

-50

2.881

79.52

14.995

-1.897

93.826

-0.00457

0.22909

0.1649

1.1430

475

-45

3.329

79.15

13.116

-0.956

94.611

-0.00229

0.22818

0.1663

1.1425

477

-40

3.833

78.77

11.509

0.000

95.399

0.00000

0.22732

0.1676

1.1422

479

-35

4.399

78.40

10.130

0.972

96.187

0.00230

0.22651

0.1690

1.1420

481

-30

5.033

78.02

8.9418

1.961

96.977

0.00461

0.22575

0.1704

1.1419

483

-25

5.740

77.64

7.9154

2.967

97.768

0.00693

0.22503

0.1718

1.1419

485

-20

6.526

77.26

7.0257

3.990

98.560

0.00927

0.22436

0.1732

1.1420

487

-15

7.400

76.88

6.2523

5.030

99.351

0.01162

0.22373

0.1746

1.1422

488

-10

8.366

76.49

5.5778

6.088

100.143

0.01398

0.22314

0.1760

1.1425

490

-5

9.433

76.11

4.9880

7.163

100.933

0.01635

0.22259

0.1775

1.1430

491

0.0561

0

10.609

75.72

4.4709

8.257

101.722

0.01874

0.22207

0.1789

1.1436

493

0.0555

5

11.901

75.33

4.0163

9.370

102.510

0.02114

0.22158

0.1804

1.1444

494

0.0548

10

13.318

74.93

3.6156

10.501

103.295

0.02355

0.22113

0.1819

1.1453

495

0.0542

16.17

14.47

14.696

74.58

3.2973

11.527

103.995

0.02572

0.22074

0.1833

1.1463

496

0.0537

15.85

15

14.868

74.53

3.2616

11.651

104.078

0.02598

0.22070

0.1834

1.1464

496

0.0536

15.81

20

16.560

74.13

2.9480

12.819

104.857

0.02842

0.22030

0.1850

1.1477

497

0.0530

15.44

25

18.404

73.73

2.6696

14.007

105.633

0.03087

0.21992

0.1866

1.1492

498

0.0524

15.08

30

20.410

73.32

2.4219

15.213

106.404

0.03334

0.21957

0.1882

1.1509

499

0.0519

14.72

Temp., °F

Pressure, psia

Density, lb/ft3

Volume, ft3/lb

Enthalpy, Btu/lb

Entropy, Btu/lb·°F

Specific heat, cp, Btu/lb·°F

cp/cv

Velocity of sound, ft/s

Viscosity, lbm/ft·h

Thermal cond., Btu/h·ft·°F

Surface tension, dyne/cm

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

35

22.587

72.91

2.2010

16.439

107.171

0.03582

0.21924

0.2993

0.1898

1.1528

499

0.0236

0.0513

14.37

40

24.945

72.50

2.0037

17.684

107.932

0.03831

0.21892

0.3009

0.1915

1.1549

500

0.0238

0.0507

14.01

45

27.495

72.08

1.8270

18.948

108.687

0.04081

0.21863

0.3026

0.1932

1.1572

500

0.0241

0.0501

13.65

50

30.248

71.66

1.6684

20.230

109.436

0.04333

0.21835

0.3043

0.1950

1.1599

500

0.0243

0.0495

13.30

55

33.216

71.24

1.5260

21.531

110.177

0.04585

0.21809

0.3059

0.1968

1.1628

500

0.0245

0.0489

12.95

60

36.408

70.80

1.3976

22.852

110.910

0.04839

0.21784

0.3076

0.1986

1.1660

501

0.0247

0.0483

12.60

65

39.838

70.37

1.2819

24.190

111.635

0.05094

0.21760

0.3093

0.2005

1.1696

500

0.0250

0.0478

12.25

70

43.517

69.93

1.1773

25.547

112.350

0.05349

0.21737

0.3111

0.2025

1.1735

500

0.0252

0.0472

11.91

75

47.458

69.48

1.0826

26.922

113.055

0.05606

0.21715

0.3128

0.2046

1.1778

500

0.0254

0.0466

11.56

80

51.672

69.03

0.9967

28.314

113.750

0.05863

0.21694

0.3146

0.2067

1.1825

500

0.0256

0.0460

11.22

85

56.172

68.57

0.9187

29.724

114.433

0.06121

0.21673

0.3164

0.2089

1.1876

499

0.0258

0.0455

10.88

90

60.971

68.11

0.8478

31.151

115.103

0.06379

0.21652

0.3183

0.2112

1.1933

498

0.0260

0.0449

10.54

95

66.083

67.64

0.7832

32.595

115.761

0.06638

0.21632

0.3202

0.2136

1.1994

498

0.0262

0.0443

10.20

100

71.521

67.16

0.7242

34.054

116.405

0.06897

0.21611

0.3222

0.2161

1.2062

497

0.0265

0.0438

9.86

105

77.297

66.67

0.6704

35.530

117.034

0.07157

0.21591

0.3242

0.2187

1.2135

496

0.0267

0.0432

9.53

110

83.427

66.18

0.6211

37.021

117.647

0.07416

0.21570

0.3263

0.2214

1.2216

495

0.0269

0.0427

9.20

115

89.923

65.68

0.5760

38.526

118.245

0.07676

0.21548

0.3284

0.2243

1.2304

493

0.0271

0.0421

8.87

120

96.799

65.17

0.5346

40.046

118.824

0.07936

0.21527

0.3307

0.2274

1.2400

492

0.0274

0.0415

8.54

125

104.07

64.64

0.4966

41.579

119.386

0.08196

0.21504

0.3330

0.2306

1.2505

491

0.0276

0.0410

8.22

130

111.75

64.11

0.4617

43.126

119.929

0.08456

0.21481

0.3354

0.2340

1.2620

489

0.0279

0.0404

7.90

Temp., °F

Pressure, psia

Density, lb/ft3

Volume, ft3/lb

Enthalpy, Btu/lb

Entropy, Btu/lb·°F

Specific heat, cp, Btu/lb·°F

cp/cv

Velocity of sound, ft/s

Viscosity, lbm/ft·h

Thermal cond., Btu/h·ft·°F

Surface tension, dyne/cm

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

135

119.85

63.57

0.4295

44.685

120.451

0.08715

0.21456

0.3378

0.2377

1.2746

487

0.0281

0.0399

7.58

140

128.39

63.01

0.3999

46.256

120.952

0.08974

0.21430

0.3404

0.2415

1.2883

486

0.0284

0.0394

7.26

145

137.39

62.44

0.3726

47.838

121.432

0.09232

0.21403

0.3431

0.2457

1.3033

484

0.0287

0.0388

6.94

150

146.85

61.86

0.3473

49.432

121.888

0.09490

0.21375

0.3458

0.2501

1.3198

482

0.0290

0.0383

6.63

155

156.79

61.26

0.3239

51.036

122.321

0.09747

0.21345

0.3487

0.2549

1.3379

480

0.0293

0.0377

6.32

160

167.22

60.65

0.3023

52.650

122.728

0.10004

0.21313

0.3517

0.2600

1.3576

478

0.0296

0.0372

6.01

165

178.17

60.02

0.2823

54.275

123.109

0.10259

0.21279

0.3548

0.2655

1.3794

476

0.0299

0.0367

5.70

170

189.64

59.37

0.2637

55.909

123.463

0.10514

0.21243

0.3580

0.2714

1.4032

473

0.0303

0.0361

5.40

175

201.66

58.71

0.2465

57.552

123.789

0.10768

0.21205

0.2779

1.4294

471

0.0307

5.10

180

214.23

58.02

0.2305

59.206

124.085

0.11022

0.21164

0.2849

1.4582

469

0.0311

4.81

185

227.37

57.30

0.2156

60.871

124.351

0.11274

0.21121

0.2925

1.4900

466

0.0315

4.51

190

241.09

56.56

0.2017

62.547

124.585

0.11527

0.21076

0.3009

1.5251

463

0.0319

4.22

195

255.41

55.80

0.1888

64.236

124.786

0.11778

0.21027

0.3100

1.5638

461

0.0324

3.94

200

270.35

55.00

0.1767

65.940

124.952

0.12030

0.20976

0.3200

1.6067

458

0.0329

3.65

205

285.92

54.16

0.1654

67.661

125.082

0.12282

0.20921

0.3310

1.6544

455

0.0334

3.38

210

302.13

53.29

0.1548

69.404

125.174

0.12535

0.20863

0.3432

1.7076

451

0.0340

3.10

215

319.00

52.38

0.1449

71.173

125.225

0.12789

0.20801

0.3568

1.7673

448

0.0345

2.83

220

336.54

51.41

0.1356

72.975

125.232

0.13046

0.20735

0.3721

1.8347

444

0.0352

2.56

225

354.77

50.40

0.1269

74.819

125.192

0.13307

0.20664

0.3894

1.9116

439

0.0358

2.30

230

373.70

49.31

0.1186

76.717

125.099

0.13573

0.20588

0.4093

2.0006

434

0.0365

2.05

Temp., °F

Pressure, psia

Density, lb/ft3

Volume, ft3/lb

Enthalpy, Btu/lb

Entropy, Btu/lb·°F

Specific heat, cp, Btu/lb·°F

cp/cv

Velocity of sound, ft/s

Viscosity, lbm/ft·h

Thermal cond., Btu/h·ft·°F

Surface tension, dyne/cm

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

235

393.34

48.16

0.1107

78.686

124.943

0.13846

0.20505

0.4327

2.1059

428

1.80

240

413.72

46.92

0.1032

80.750

124.714

0.14131

0.20415

0.4611

2.2343

421

1.55

245

434.84

45.57

0.0959

82.943

124.391

0.14431

0.20313

0.4970

2.3984

411

1.31

250

456.71

44.10

0.0887

85.320

123.937

0.14755

0.20196

0.5463

2.6252

399

1.08