Refrigerant 152a (Difluoroethane) properties of saturated liquid and saturated vapor

From ASHRAE (1997), with permission

Values shown in blue are at the triple point
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

-118.59

0.00008

1189.9

236.26

-

419.38

-

2.7050

-

0.681

1.227

-

154

-

-

-

-

-

-110

0.00021

1174.7

97.469

-

425.29

-

2.6241

-

0.705

1.219

-

158

-

-

-

-

-

-100

0.00060

1156.8

36.352

-

432.38

-

2.5348

-

0.733

1.210

-

162

-

-

-

-

-

-90

0.00154

1138.7

14.890

-

439.68

-

2.4567

-

0.761

1.202

-

166

-

-

-

-

-

-80

0.00360

1120.3

6.7249

74.09

447.13

0.4588

2.3902

-

0.792

1.196

-

170

-

-

-

-

-

-70

0.00765

1101.6

3.3187

87.99

454.71

0.5289

2.3341

-

0.824

1.192

-

173

558.3

-

-

-

-

-60

0.01499

1082.7

1.7685

102.89

462.35

0.6005

2.2869

-

0.860

1.189

-

176

473.7

-

-

-

-

-50

0.02741

1063.3

1.0064

118.31

470.00

0.6711

2.2471

1.560

0.901

1.189

1012

179

406.4

-

-

-

-

-45

0.03622

1053.5

0.77567

126.15

473.82

0.7058

2.2297

1.575

0.923

1.190

987

181

377.8

-

-

-

-

-40

0.04720

1043.5

0.60556

134.07

477.61

0.7401

2.2136

1.590

0.947

1.191

962

182

352.1

-

-

-

-

-35

0.06072

1033.5

0.47838

142.06

481.39

0.7740

2.1988

1.603

0.972

1.193

938

183

328.8

-

-

-

-

-30

0.07718

1023.3

0.38205

150.12

485.13

0.8074

2.1852

1.617

0.998

1.195

913

184

307.7

-

-

-

-

-25

0.09702

1013.0

0.30820

158.25

488.84

0.8404

2.1726

1.631

1.026

1.198

889

185

288.5

-

-

-

-

-24.02

0.10132

1010.9

0.29588

159.84

489.56

0.8468

2.1703

1.633

1.032

1.199

884

185

285.0

-

-

-

-

-20

0.12071

1002.5

0.25094

166.45

492.51

0.8730

2.1610

1.645

1.055

1.202

865

185

271.0

-

127.2

-

-

-15

0.14872

991.9

0.20608

174.72

496.13

0.9053

2.1503

1.659

1.086

1.207

841

186

255.0

-

124.3

-

-

-10

0.18160

981.1

0.17057

183.07

499.70

0.9372

2.1404

1.674

1.118

1.212

816

187

240.3

-

121.3

-

14.65

-5

0.21988

970.1

0.14221

191.49

503.21

0.9687

2.1312

1.690

1.151

1.218

792

187

226.8

-

118.4

-

13.93

0

0.26414

958.9

0.11936

200.00

506.66

1.0000

2.1227

1.707

1.186

1.225

768

187

214.3

-

115.5

-

13.22

2

0.28364

954.3

0.11148

203.43

508.01

1.0124

2.1194

1.714

1.200

1.229

758

187

209.6

-

114.3

-

12.93

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

4

0.30425

949.8

0.10421

206.87

509.36

1.0248

2.1162

1.721

1.214

1.232

748

187

205.0

-

113.2

-

12.65

6

0.32598

945.1

0.09751

210.33

510.69

1.0372

2.1132

1.728

1.229

1.235

739

187

200.5

-

112.0

-

12.37

8

0.34888

940.5

0.09133

213.80

512.01

1.0495

2.1102

1.736

1.244

1.239

729

187

196.2

-

110.8

-

12.09

10

0.37300

935.8

0.08560

217.28

513.32

1.0617

2.1072

1.743

1.259

1.243

719

187

192.0

9.61

109.7

-

11.81

12

0.39837

931.1

0.08030

220.79

514.61

1.0740

2.1044

1.751

1.274

1.247

709

187

187.9

9.67

108.5

-

11.53

14

0.42503

926.3

0.07539

224.30

515.89

1.0861

2.1016

1.759

1.290

1.251

699

187

183.9

9.74

107.3

-

11.25

16

0.45304

921.5

0.07084

227.84

517.15

1.0983

2.0989

1.768

1.306

1.256

690

186

180.1

9.80

106.2

-

10.97

18

0.48243

916.6

0.06661

231.39

518.40

1.1104

2.0962

1.776

1.322

1.260

680

186

176.3

9.87

105.0

-

10.70

20

0.51324

911.7

0.06267

234.96

519.63

1.1225

2.0936

1.785

1.338

1.266

670

186

172.6

9.94

103.9

-

10.43

22

0.54552

906.7

0.05901

238.54

520.85

1.1346

2.0911

1.794

1.355

1.271

660

186

169.1

10.01

102.7

-

10.15

24

0.57932

901.7

0.05560

242.15

522.04

1.1466

2.0886

1.804

1.372

1.276

650

185

165.6

10.08

101.6

-

9.88

26

0.61468

896.6

0.05242

245.77

523.22

1.1587

2.0861

1.813

1.390

1.282

640

185

162.2

10.15

100.5

-

9.61

28

0.65165

891.5

0.04945

249.41

524.37

1.1707

2.0837

1.823

1.408

1.288

630

185

158.8

10.22

99.3

-

9.35

30

0.69027

886.3

0.04668

253.07

525.51

1.1826

2.0813

1.834

1.426

1.295

620

184

155.6

10.29

98.2

-

9.08

32

0.73059

881.1

0.04408

256.75

526.62

1.1946

2.0790

1.844

1.445

1.302

610

184

152.4

10.37

97.1

-

8.81

34

0.77266

875.8

0.04165

260.45

527.71

1.2065

2.0766

1.855

1.464

1.309

600

183

149.3

10.44

96.0

-

8.55

36

0.81652

870.4

0.03938

264.18

528.78

1.2184

2.0743

1.867

1.485

1.317

589

183

146.3

10.51

94.8

-

8.29

38

0.86224

865.0

0.03724

267.92

529.82

1.2303

2.0721

1.879

1.505

1.325

579

182

143.4

10.59

93.7

-

8.03

40

0.90984

859.4

0.03524

271.69

530.84

1.2422

2.0698

1.891

1.527

1.334

569

182

140.5

10.67

92.6

-

7.77

42

0.95940

853.8

0.03336

275.48

531.83

1.2541

2.0675

1.904

1.549

1.343

559

181

137.6

10.75

91.5

-

7.51

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

44

1.0110

848.2

0.03159

279.30

532.79

1.2660

2.0653

1.918

1.572

1.353

548

181

134.9

10.83

90.5

-

7.25

46

1.0646

842.4

0.02993

283.14

533.72

1.2779

2.0630

1.932

1.596

1.363

538

180

132.1

10.91

89.4

-

7.00

48

1.1203

836.5

0.02836

287.01

534.62

1.2897

2.0608

1.947

1.621

1.375

528

179

129.5

11.00

88.3

-

6.75

50

1.1781

830.6

0.02688

290.90

535.48

1.3016

2.0585

1.963

1.641

1.387

517

178

126.9

11.08

87.2

-

6.49

52

1.2382

824.5

0.02549

294.82

536.31

1.3135

2.0562

1.979

1.675

1.399

507

178

124.3

11.17

86.2

-

6.24

54

1.3005

818.4

0.02417

298.78

537.11

1.3254

2.0539

1.997

1.704

1.413

496

177

121.8

11.26

85.1

-

6.00

56

1.3652

812.1

0.02293

302.76

537.86

1.3373

2.0516

2.015

1.734

1.428

486

176

119.3

11.36

84.1

-

5.75

58

1.4322

805.8

0.02176

306.78

538.57

1.3492

2.0492

2.035

1.767

1.444

475

175

116.9

11.46

83.1

-

4.51

60

1.5016

799.3

0.02065

310.83

539.24

1.3611

2.0468

2.055

1.801

1.461

464

174

114.5

11.56

82.0

-

5.26

62

1.5736

792.6

0.01959

314.91

539.86

1.3731

2.0443

2.077

1.837

1.480

454

173

112.1

11.67

81.0

-

5.02

64

1.6481

785.9

0.01860

319.04

540.43

1.3851

2.0417

2.101

1.876

1.500

443

172

109.8

11.78

80.0

-

4.79

66

1.7253

778.9

0.01765

323.20

540.95

1.3971

2.0392

2.126

1.918

1.522

432

171

107.6

11.90

79.0

-

4.55

68

1.8051

771.8

0.01675

327.40

541.42

1.4091

2.0365

2.153

1.963

1.547

421

169

105.4

12.02

78.1

-

4.32

70

1.8876

764.6

0.01590

331.65

541.82

1.4213

2.0337

2.182

2.012

1.573

410

168

103.2

12.15

77.1

-

4.08

72

1.9730

757.1

0.01508

335.95

542.15

1.4334

2.0308

2.214

2.065

1.602

399

167

-

12.28

76.1

-

3.86

74

2.0613

749.5

0.01431

340.30

542.42

1.4456

2.0279

2.249

2.123

1.635

387

166

-

12.42

75.2

-

3.63

76

2.1525

741.6

0.01358

344.69

542.61

1.4579

2.0248

2.287

2.186

1.671

376

164

-

12.57

74.3

-

3.40

78

2.2468

733.5

0.01287

349.15

542.71

1.4703

2.0215

2.328

2.257

1.711

365

163

-

12.73

-

-

3.18

80

2.3441

725.2

0.01220

353.67

542.73

1.4827

2.0181

2.374

2.335

1.756

353

161

-

12.90

-

-

2.96

82

2.4447

716.5

0.01156

358.26

542.64

1.4953

2.0145

2.426

2.423

1.801

341

160

-

13.08

-

-

2.75

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

84

2.5485

707.6

0.01094

362.92

542.45

1.5080

2.0107

2.483

2.522

1.865

329

158

-

13.27

-

-

2.53

86

2.6557

698.3

0.01036

367.67

542.14

1.5208

2.0066

2.549

2.635

1.932

317

156

-

13.47

-

-

2.33

88

2.7663

688.6

0.00979

372.50

541.69

1.5338

2.0023

2.623

2.765

2.009

305

154

-

13.68

-

-

2.12

90

2.8804

678.4

0.00925

377.43

541.10

1.5469

1.9976

2.710

2.918

2.100

293

153

-

13.91

-

-

1.92

92

2.9983

667.8

0.00872

382.48

540.33

1.5603

1.9926

2.812

3.098

2.208

280

151

-

-

-

-

1.72

94

3.1198

656.6

0.00821

387.65

539.36

1.5739

1.9871

2.934

3.315

2.339

267

149

-

-

-

-

1.52

96

3.2453

644.7

0.00772

392.98

538.17

1.5879

1.9812

3.082

3.581

2.500

254

146

-

-

-

-

1.33

98

3.3748

632.0

0.00725

398.48

536.70

1.6022

1.9746

3.268

3.916

2.703

241

144

-

-

-

-

1.15

100

3.5084

618.3

0.00678

404.19

534.91

1.6170

1.9673

3.507

4.350

2.966

227

142

-

-

-

-

0.97

105

3.8619

577.7

0.00563

419.80

528.38

1.6570

1.9441

-

-

-

190

135

-

-

-

-

0.54

110

4.1792

469.5

0.00213

448.61

448.63

1.7310

1.7310

-

-

-

-

-

-

-

-

-

0.17

113.26

4.5165

368.0

0.00272

476.70

476.70

1.8019

1.8019

inf.

inf.

inf.

0

0

-

-

inf.

inf.

0.00