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 Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
151 Dimethyl sulfoxide 67-68-5 C2H6OS Overview
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Pure Component Data

Property  Points   Sets  Temperature
Range 		States Sets
Critical Data 1 1 (hidden) Critical Point 1
Density 1340 357 285-530 KLiquid 355
Further States 2
Dielectric Constant 357 61 253-398 KLiquid 59
Further States 2
Diffusion Coefficient 13 2 293-364 KLiquid 2
Dipole Moment 7 2 298-323 KLiquid 2
Enthalpy (H-H0) 37 2 5-350 KLiquid 1
Solid 1
Enthalpy (H-H0)/T 9 1 273-1000 KGas/Vapor 1
Entropy 2 2 298-298 KGas/Vapor 2
Flash Point 3 3 (hidden) Liquid 3
Freezing Point (Supercooled Liq. to Crystal/Solid) 1 1 290-290 KSupercooled Liquid - Solid 1
G-function 17 2 273-1000 KGas/Vapor 2
Heat of Vaporization 5 3 298-462 KVapor-Liquid 3
Ideal Gas Heat Capacity 17 2 273-1000 KIdeal Gas 2
Melting Point 42 39 (hidden) Solid-Liquid 39
Molar Heat Capacity (cP) 201 26 6-423 KLiquid 25
Further States 1
Molar Heat Capacity (cV) 2 2 298-298 KLiquid 2
Second Virial Coefficient 5 1 293-328 KGas/Vapor 1
Speed of Sound 93 49 293-353 KLiquid 49
Std. Heat of Formation 1 1 298-298 KLiquid 1
Surface Tension 109 32 288-480 KLiquid 32
Thermal Conductivity 28 5 283-362 KLiquid 4
Solid 1
Vapor Pressure 416 103 274-527 KVapor-Liquid 102
Further States 1
Viscosity (Dynamic) 363 127 283-479 KLiquid 127
Viscosity (Kinematic) 57 12 293-363 KLiquid 12
Octanol-Water
Partition Coefficients		 3 3 293 K
Electrical Conductivities 58 8 293-353 Kn.a.n.a.
Mixture Dielectric Constants 224 21 293-323 Kn.a.n.a.

Pure Component Properties Data Bank Information Page
Why are pure component data in a mixture data bank (MSOS, MTCN, etc.)?


Dortmund Data Bank Version: February 2024
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