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 Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
1942 Propyne 74-99-7 C3H4 Overview
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Pure Component Data

Property  Points   Sets  Temperature
Range 		States Sets
Critical Data 6 6 (hidden) Critical Point 6
Density 713 43 203-473 KLiquid 25
Gas/Vapor 10
Liquid Phase of VLE 4
Further States 4
Dielectric Constant 13 4 185-348 KGas/Vapor 3
Liquid 1
Enthalpy (H-H0)/T 3 1 298-700 KGas/Vapor 1
Enthalpy (H-H298) 14 1 0-1500 KIdeal Gas 1
Entropy 4 4 298-298 KGas/Vapor 4
G-function 23 3 250-1500 KGas/Vapor 3
Heat of Vaporization 2 1 250-298 KVapor-Liquid 1
Ideal Gas Heat Capacity 40 4 250-1500 KIdeal Gas 4
Melting Point 7 7 (hidden) Solid-Liquid 7
Molar Heat Capacity (cP) 18 3 223-773 KGas/Vapor 2
Liquid 1
Std. Heat of Combustion 1 1 298-298 KGas/Vapor 1
Std. Heat of Formation 14 1 0-1500 KGas/Vapor 1
Surface Tension 16 5 221-262 KLiquid 5
Thermal Conductivity 22 4 223-773 KGas/Vapor 3
Liquid 1
Vapor Pressure 193 28 159-402 KVapor-Liquid 28
Viscosity (Dynamic) 29 3 223-773 KGas/Vapor 2
Liquid 1
Octanol-Water
Partition Coefficients		 1 1 ambient

Pure Component Properties Data Bank Information Page


Dortmund Data Bank Version: February 2024
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