Open Access

Table 3

Physical properties for MDEA solvent.

Component Value Component Value
Formula (HOC2H4)2NCH3 Weight 8.69 lb/gal
Mw 119.17 kg/kmol Specific gravity, 20 °C/20 °C 1.0418
Boiling point at 760 mmHg 477 °F Heat of vaporization 223 Btu/lb
Freezing point −5.8 °F Viscosity at 20 °C 101 cp
Critical pressure 5623 psia Constants for Antoine equation A = 16.23
Critical temperature 611.6 °F B = 7456.8
Density at 20 °C 1.0426 gr/cc C = 311.71

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