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 Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
3959 1,1,1,2,3,3,3-Heptafluoropropane [R227ea] 431-89-0 C3HF7 Overview
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Pure Component Data

Property  Points   Sets  Temperature
Range 		States Sets
Critical Data 4 4 (hidden) Critical Point 4
Density 2723 141 205-473 KLiquid 82
Gas/Vapor 25
Supercritical 21
Further States 13
Dielectric Constant 144 9 223-303 KLiquid 9
Heat of Vaporization 6 2 250-350 KVapor-Liquid 2
Ideal Gas Heat Capacity 25 3 253-423 KIdeal Gas 3
Melting Point 2 2 (hidden) Solid-Liquid 2
Molar Heat Capacity (cP) 116 11 223-365 KLiquid 11
Molar Heat Capacity (cV) 52 8 294-344 KLiquid 8
Second Virial Coefficient 35 5 283-393 KGas/Vapor 5
Speed of Sound 785 45 248-420 KLiquid 24
Gas/Vapor 15
Supercritical 3
Further States 3
Surface Tension 165 6 223-372 KLiquid Phase of VLE 3
Liquid 3
Thermal Conductivity 672 20 259-422 KGas/Vapor 11
Liquid 9
Triple Point 1 1 (hidden) Solid-Liquid-Vapor 1
Vapor Pressure 620 36 203-376 KVapor-Liquid 36
Viscosity (Dynamic) 250 15 243-372 KLiquid 10
Liquid Phase of VLE 2
Gas/Vapor 2
Vapor Phase of VLE 1
Viscosity (Kinematic) 17 1 253-372 KLiquid Phase of VLE 1
Octanol-Water
Partition Coefficients		 3 3 278-323 K

Pure Component Properties Data Bank Information Page


Dortmund Data Bank Version: February 2024
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