Refrigerant 12 (Dichlorofluoromethane) properties of saturated liquid and saturated vapor

From ASHRAE (1997), with permission

Values shown in red are at the boiling point
Values shown in bold are at the critical point

Temp., °C

Absolute pressure, MPa

Density, kg/m3

Volume, m3/kg

Enthalpy, kJ/kg

Entropy, kJ/kg·K

Specific heat, cp, kJ/kg·K

cp/cv

Velocity of sound, m/s

Viscosity,
10-6 Pa·s

Thermal cond., mW/m·K

Surface tension, mN/m

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

-90

0.00288

1652.4

4.3671

121.33

310.39

0.6526

1.6849

0.835

0.470

1.176

812

121

-

-

-

-

24.91

-80

0.00623

1626.0

2.1227

129.72

314.99

0.6972

1.6564

0.843

0.487

1.171

802

124

-

-

-

-

23.35

-70

0.01235

1599.2

1.1226

138.19

319.69

0.7400

1.6334

0.850

0.504

1.168

786

127

569.0

-

-

-

21.82

-60

0.02272

1572.0

0.6371

146.72

324.44

0.7809

1.6147

0.856

0.521

1.166

765

129

508.9

8.78

99.8

5.50

20.30

-50

0.03925

1544.3

0.38362

155.32

329.23

0.8203

1.5996

0.863

0.537

1.165

741

131

453.8

9.39

95.9

6.02

18.81

-45

0.05053

1530.3

0.30346

159.66

331.63

0.8395

1.5933

0.868

0.546

1.166

728

132

428.3

9.68

94.0

6.27

18.08

-40

0.06426

1516.1

0.24281

164.01

334.03

0.8583

1.5875

0.873

0.554

1.166

714

133

404.2

9.95

92.1

6.52

17.35

-35

0.08077

1501.7

0.19633

168.40

336.42

0.8769

1.5824

0.878

0.563

1.167

699

134

381.5

10.22

90.2

6.78

16.63

-30

0.10044

1487.2

0.16029

172.81

338.81

0.8951

1.5779

0.884

0.572

1.169

684

134

360.2

10.48

88.3

7.03

15.91

-29.80

0.10132

1486.6

0.15899

172.99

338.90

0.8959

1.5777

0.884

0.572

1.169

684

134

359.4

10.49

88.2

7.04

15.88

-28

0.10929

1481.4

0.14817

174.58

339.76

0.9024

1.5762

0.886

0.575

1.170

678

135

352.1

10.58

87.5

7.13

15.62

-26

0.11872

1475.5

0.13716

176.35

340.70

0.9096

1.5745

0.888

0.579

1.171

672

135

344.1

10.68

86.8

7.23

15.34

-24

0.12878

1469.6

0.12714

178.14

341.65

0.9167

1.5730

0.891

0.583

1.172

666

135

336.4

10.79

86.0

7.33

15.06

-22

0.13949

1463.6

0.11800

179.93

342.59

0.9239

1.5715

0.894

0.586

1.173

660

135

328.8

10.89

85.3

7.43

14.78

-20

0.15088

1457.6

0.10965

181.72

343.53

0.9309

1.5701

0.896

0.590

1.174

653

136

321.5

10.99

84.5

7.53

14.50

-18

0.16296

1451.6

0.10202

183.52

344.46

0.9380

1.5688

0.899

0.594

1.175

647

136

314.3

11.09

83.8

7.63

14.22

-16

0.17578

1445.5

0.09503

185.32

345.39

0.9450

1.5675

0.902

0.598

1.177

640

136

307.3

11.18

83.0

7.73

13.94

-14

0.18937

1439.4

0.08862

187.14

346.32

0.9520

1.5662

0.905

0.602

1.178

634

136

300.5

11.28

82.3

7.84

-

-12

0.20374

1433.3

0.08273

188.95

347.25

0.9589

1.5651

0.908

0.606

1.180

627

136

293.9

11.38

81.5

7.94

-

-10

0.21893

1427.1

0.07731

190.78

348.17

0.9658

1.5639

0.911

0.611

1.181

621

136

287.5

11.48

80.8

8.04

-

Temp., °C

Absolute pressure, MPa

Density, kg/m3

Volume, m3/kg

Enthalpy, kJ/kg

Entropy, kJ/kg·K

Specific heat, cp, kJ/kg·K

cp/cv

Velocity of sound, m/s

Viscosity,
10-6 Pa·s

Thermal cond., mW/m·K

Surface tension, mN/m

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

-8

0.23498

1420.9

0.07233

192.61

349.08

0.9727

1.5629

0.915

0.615

1.183

614

136

281.2

11.58

80.1

8.15

-

-6

0.25190

1414.7

0.06773

194.45

349.99

0.9796

1.5618

0.918

0.619

1.185

607

137

275.1

11.68

79.3

8.25

-

-4

0.26974

1408.3

0.06348

196.29

350.89

0.9864

1.5608

0.921

0.624

1.187

601

137

269.2

11.78

78.6

8.36

-

-2

0.28851

1402.0

0.05956

198.14

351.79

0.9932

1.5599

0.925

0.628

1.189

594

137

263.4

11.89

77.8

8.47

-

0

0.30827

1395.6

0.05593

200.00

352.68

1.0000

1.5590

0.928

0.633

1.192

587

137

257.8

11.99

77.1

8.57

-

2

0.32902

1389.2

0.05256

201.87

353.57

1.0068

1.5581

0.932

0.638

1.194

580

137

252.3

12.09

76.4

8.68

-

4

0.35082

1382.7

0.04944

203.74

354.45

1.0135

1.5573

0.936

0.643

1.197

573

137

246.9

12.20

75.6

8.79

-

6

0.37368

1376.1

0.04654

205.62

355.32

1.0202

1.5565

0.940

0.648

1.200

566

137

241.7

12.30

74.9

8.90

-

8

0.39765

1369.5

0.04384

207.51

356.19

1.0269

1.5557

0.944

0.653

1.203

559

137

236.7

12.41

74.2

9.02

-

10

0.42276

1362.8

0.04134

209.41

357.05

1.0335

1.5550

0.948

0.658

1.206

552

137

231.8

12.52

73.5

9.13

-

12

0.44903

1356.1

0.03900

211.31

357.90

1.0402

1.5542

0.953

0.664

1.209

545

136

227.0

12.62

72.7

9.24

-

14

0.47651

1349.3

0.03682

213.23

358.75

1.0468

1.5535

0.957

0.669

1.213

537

136

222.3

12.74

72.0

9.36

-

16

0.50523

1342.5

0.03479

215.15

359.58

1.0534

1.5529

0.962

0.675

1.216

530

136

217.8

12.85

71.3

9.48

-

18

0.53521

1335.5

0.03289

217.09

360.41

1.0600

1.5522

0.966

0.681

1.220

523

136

213.3

12.96

70.6

9.60

-

20

0.56651

1328.6

0.03111

219.03

361.23

1.0666

1.5516

0.971

0.687

1.224

516

136

209.0

13.08

69.8

9.72

-

22

0.59914

1321.5

0.02945

220.98

362.04

1.0731

1.5510

0.976

0.693

1.229

508

136

204.8

13.20

69.1

9.84

-

24

0.63315

1314.4

0.02789

222.94

362.83

1.0796

1.5504

0.981

0.700

1.233

501

135

200.7

13.32

68.4

9.96

-

26

0.66857

1307.2

0.02643

224.92

363.62

1.0862

1.5498

0.987

0.707

1.238

494

135

196.8

13.44

67.7

10.09

-

28

0.70544

1299.9

0.02505

226.90

364.40

1.0927

1.5493

0.992

0.714

1.244

486

135

192.9

13.57

67.0

10.21

-

30

0.74379

1292.5

0.02376

228.89

365.16

1.0992

1.5487

0.998

0.721

1.249

479

135

189.1

13.70

66.3

10.34

-

Temp., °C

Absolute pressure, MPa

Density, kg/m3

Volume, m3/kg

Enthalpy, kJ/kg

Entropy, kJ/kg·K

Specific heat, cp, kJ/kg·K

cp/cv

Velocity of sound, m/s

Viscosity,
10-6 Pa·s

Thermal cond., mW/m·K

Surface tension, mN/m

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

32

0.78366

1285.0

0.02255

230.90

365.92

1.1057

1.5481

1.004

0.728

1.255

471

134

185.4

13.83

65.5

10.47

-

34

0.82509

1277.4

0.02141

232.91

366.66

1.1121

1.5476

1.010

0.736

1.262

463

134

181.9

13.96

64.8

10.60

-

36

0.86811

1269.8

0.02034

234.94

367.39

1.1186

1.5470

1.017

0.744

1.268

456

134

178.4

14.10

64.1

10.74

-

38

0.91277

1262.0

0.01932

236.98

368.10

1.1251

1.5465

1.023

0.753

1.276

448

133

175.0

14.24

63.4

10.87

-

40

0.95909

1254.2

0.01837

239.03

368.81

1.1315

1.5459

1.030

0.762

1.283

440

133

171.6

14.38

62.7

11.01

-

42

1.0071

1246.2

0.01747

241.10

369.49

1.1380

1.5454

1.038

0.771

1.292

433

132

168.4

14.53

62.0

11.15

-

44

1.0569

1238.1

0.01661

243.18

370.16

1.1444

1.5448

1.045

0.780

1.300

425

132

165.3

14.68

61.3

11.29

-

46

1.1085

1229.8

0.01581

245.27

370.82

1.1509

1.5443

1.053

0.791

1.310

417

131

162.2

14.83

60.6

11.44

-

48

1.1618

1221.5

0.01505

247.38

371.45

1.1573

1.5437

1.062

0.801

1.320

409

131

159.2

14.99

59.9

11.58

-

50

1.2171

1213.0

0.01432

249.51

372.07

1.1638

1.5431

1.071

0.812

1.331

401

130

156.3

15.15

59.2

11.73

-

52

1.2742

1204.3

0.01364

251.65

372.67

1.1703

1.5425

1.080

0.824

1.342

393

130

153.4

15.31

58.5

11.88

-

54

1.3333

1195.6

0.01299

253.80

373.25

1.1767

1.5418

1.090

0.837

1.355

385

129

150.7

15.48

57.8

12.04

-

56

1.3944

1186.6

0.01237

255.97

373.81

1.1832

1.5412

1.100

0.850

1.369

377

128

148.0

15.65

57.1

12.20

-

58

1.4575

1177.5

0.01179

258.16

374.35

1.1896

1.5405

1.111

0.865

1.383

369

128

145.3

15.83

56.4

12.35

-

60

1.5227

1168.2

0.01123

260.37

374.86

1.1961

1.5398

1.123

0.880

1.399

361

127

142.7

16.01

55.7

12.52

-

62

1.5901

1158.7

0.01070

262.60

375.35

1.2026

1.5390

1.135

0.896

1.417

352

126

140.2

16.19

55.0

12.68

-

64

1.6595

1149.0

0.01020

264.85

375.81

1.2091

1.5382

1.148

0.914

1.436

344

125

137.8

16.38

54.4

12.85

-

66

1.7312

1139.0

0.00972

267.12

376.24

1.2157

1.5374

1.163

0.933

1.456

336

125

135.4

16.58

53.7

13.02

-

68

1.8052

1128.9

0.00926

269.42

376.64

1.2222

1.5365

1.178

0.954

1.479

327

124

133.1

16.78

53.0

13.19

-

70

1.8814

1118.5

0.00882

271.73

377.01

1.2288

1.5356

1.194

0.977

1.505

319

123

-

-

-

-

-

Temp., °C

Absolute pressure, MPa

Density, kg/m3

Volume, m3/kg

Enthalpy, kJ/kg

Entropy, kJ/kg·K

Specific heat, cp, kJ/kg·K

cp/cv

Velocity of sound, m/s

Viscosity,
10-6 Pa·s

Thermal cond., mW/m·K

Surface tension, mN/m

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

Vapor

Liquid

Vapor

Liquid

Vapor

Liquid

Vapor

75

2.0825

1091.2

0.00781

277.65

377.77

1.2454

1.5330

1.242

1.043

1.581

297

120

-

-

-

-

-

80

2.2991

1061.8

0.00690

283.75

378.26

1.2622

1.5298

1.303

1.131

1.683

275

118

-

-

-

-

-

85

2.5322

1029.7

0.00607

290.09

378.40

1.2794

1.5260

1.384

1.251

1.825

252

115

-

-

-

-

-

90

2.7829

994.2

0.00532

296.73

378.10

1.2971

1.5212

1.496

1.427

2.037

228

111

-

-

-

-

-

95

3.0524

953.9

0.00462

303.76

377.16

1.3156

1.5150

1.669

1.712

2.383

203

108

-

-

-

-

-

100

3.3425

906.3

0.00395

311.38

375.26

1.3353

1.5065

1.977

2.252

3.039

175

104

-

-

-

-

-

105

3.6555

845.3

0.00328

320.04

371.60

1.3574

1.4937

2.741

3.643

4.716

143

99

-

-

-

-

-

110

3.9958

741.7

0.00248

331.90

362.83

1.3874

1.4682

-

-

-

-

-

-

-

-

-

-

111.78

4.1249

564.6

0.00177

347.39

347.39

1.4272

1.4272

inf.

inf.

inf.

0

0

inf.

inf.

0