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Technical Information: Thermodynamic Properties of Normal Saturated Propane

Enthalpies and Entropies are referred to saturated liquid at -200º F where the values are zero.

ATMOSPHERIC PRESSURE = 14.73 PSIA
TEMP PRESSURE*
(PSI)
SPECIFIC VOLUME*
(Cf / Lb)
DENSITY*
(Lb / Cf)
ENTHALPY**
(Btu / Lb)
LATENT HEAT**
(Btu/Lb)

ENTROPY**
(Btu / Lb / º F)

º F

ABSOLUTE

GAUGE

LIQUID

VAPOR

LIQUID

VAPOR

LIQUID

VAPOR

 

LIQUID

VAPOR

Temp

APress

GPress

LSpVol

VSpVol

LDen

VDen

LEnthal

VEnthal

Latent

LEntrop

VEntrop

-50

12.60

-2.10

0.02732

7.74

36.60

0.129

79.5

262.7

183.2

0.173

0.617

-45

14.40

-0.30

0.02748

6.89

36.39

0.145

82.3

264.2

181.9

0.179

0.615

-40

16.20

1.50

0.02763

6.13

36.19

0.163

85.0

265.8

180.8

0.185

0.614

-35

18.10

3.40

0.02779

5.51

35.99

0.181

87.5

267.2

179.7

0.190

0.613

-30

20.30

5.60

0.02795

4.93

35.78

0.203

90.2

268.9

178.7

0.196

0.612

-25

22.70

8.00

0.02811

4.46

35.58

0.224

92.8

270.3

177.5

0.202

0.610

-20

25.40

10.70

0.02827

4.00

35.37

0.250

95.6

271.8

176.2

0.208

0.608

-15

28.30

13.60

0.02844

3.60

35.16

0.278

98.3

273.2

174.9

0.214

0.607

-10

31.40

16.70

0.02860

3.26

34.96

0.307

101.0

274.9

173.9

0.220

0.607

-5

34.70

20.00

0.02878

2.97

34.75

0.337

103.8

276.2

172.4

0.226

0.606

0

38.20

23.50

0.02985

2.71

34.54

0.369

106.2

277.7

171.5

0.231

0.605

5

41.90

27.20

0.02913

2.48

34.33

0.403

108.8

279.0

170.2

0.236

0.604

10

46.00

31.30

0.02931

2.27

34.12

0.441

111.3

280.5

167.2

0.246

0.603

15

50.60

35.90

0.02950

2.07

33.90

0.483

114.0

281.8

167.8

0.248

0.602

20

55.50

40.80

0.02970

1.90

33.67

0.526

116.8

283.1

166.3

0.254

0.601

25

60.90

46.20

0.02991

1.74

33.43

0.575

119.7

284.4

164.7

0.260

0.600

30

66.30

51.60

0.03012

1.60

33.20

0.625

122.3

285.7

163.4

0.266

0.599

35

72.00

57.30

0.03033

1.48

32.97

0.676

125.0

287.0

162.0

0.272

0.598

40

78.00

63.30

0.03055

1.37

32.73

0.730

128.0

288.3

160.3

0.278

0.597

45

84.60

69.90

0.03078

1.27

32.49

0.787

131.1

289.5

158.4

0.285

0.596

50

91.80

77.10

0.03102

1.18

32.24

0.847

134.2

290.7

156.5

0.292

0.596

55

99.30

84.60

0.03125

1.10

32.00

0.909

137.2

292.0

154.8

0.298

0.596

60

107.10

92.40

0.03150

1.01

31.75

0.990

140.6

293.2

152.6

0.306

0.595

65

115.40

100.70

0.03174

0.945

31.50

1.060

143.8

294.5

150.7

0.313

0.594

70

124.00

109.30

0.03201

0.883

31.24

1.130

147.5

295.8

148.3

0.321

0.594

75

133.20

118.50

0.03229

0.825

30.97

1.210

150.3

296.9

146.6

0.327

0.594

80

142.80

128.10

0.03257

0.770

30.70

1.300

154.0

299.1

145.1

0.335

0.593

85

153.10

138.40

0.03287

0.722

30.42

1.390

157.0

299.2

142.2

0.342

0.593

90

164.00

149.30

0.03317

0.673

30.15

1.490

160.3

300.3

140.0

0.349

0.593

95

175.00

160.30

0.03348

0.632

29.87

1.580

163.4

301.3

137.9

0.356

0.592

100

187.00

172.30

0.03381

0.591

29.58

1.690

166.8

302.4

135.6

0.363

0.592

105

200.00

185.30

0.03416

0.553

29.27

1.810

169.8

303.2

133.4

0.370

0.592

110

212.00

197.30

0.03453

0.520

28.96

1.920

172.8

304.0

131.2

0.376

0.591

115

226.00

211.30

0.03493

0.488

28.63

2.050

176.2

304.7

128.5

0.383

0.590

120

240.00

225.30

0.03534

0.459

28.30

2.180

179.8

305.2

125.4

0.391

0.589

125

254.00

239.30

0.03575

0.432

27.97

2.310

183.5

305.8

122.3

0.399

0.588

130

272.00

257.30

0.03618

0.404

27.64

2.480

186.8

306.1

119.3

0.406

0.587

135

288.00

273.30

0.03662

0.382

27.32

2.620

190.0

306.3

116.3

0.413

0.586

140

305.00

290.30

0.03707

0.360

27.00

2.780

194.0

306.5

112.5

0.422

0.585


*Based on material from Dana, Jenkins, Burick and Timm, Refrigerating Engineering, June 1926, Vol. 12, No. 12, page 403
**From Mollier Diagrams for Propane, W.C. Edminster, Standard Oil Co., (Indiana)