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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
1268 Hexamethylphosphoric acid triamide 680-31-9 C6H18N3OP Overview
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Pure Component Data

Property  Points   Sets  Temperature
Range
States Sets
Density 55 22 283-348 KLiquid 22
Dielectric Constant 8 4 273-323 KLiquid 4
Heat of Vaporization 1 1 298-298 KVapor-Liquid 1
Melting Point 3 3 (hidden) Solid-Liquid 3
Molar Heat Capacity (cP) 4 1 283-298 KLiquid 1
Speed of Sound 4 3 298-298 KLiquid 3
Vapor Pressure 28 10 298-506 KVapor-Liquid 10
Viscosity (Dynamic) 11 3 283-348 KLiquid 3
Octanol-Water
Partition Coefficients
1 1 ambient

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Dortmund Data Bank Version: February 2024
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