Liquid Ethylene Density Calculator

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Temperature mode uses the empirical NIST saturation curve for liquid C2H4. Mass/volume mode applies the fundamental rho = m / V formula.
Liquid ethylene exists between -169.2 C (melting point) and -103.7 C (normal boiling point) at atmospheric pressure.
°C
All four density values are shown in the results panel.
DensityNear triple point
826.07kg/m3

Liquid ethylene density in kilograms per cubic metre

Density0.8261g/cm3
Density51.57lb/ft3
Density6.8939lb/gal
Temperature-120°C
Specific volume0.001211m3/kg
826.07 kg/m3
Critical zone<214Near-critical liquid214-450Liquid (mid-range)450-570Cold liquid570-635Near triple point635+

Liquid ethylene density: 826.07 kg/m3

  • The density of 826.07 kg/m3 is equivalent to 0.8261 g/cm3 or 51.57 lb/ft3.
  • This temperature is closer to the normal boiling point (-103.7 C at 1 atm). Density drops sharply near the boiling point as liquid approaches the vapor phase.
  • Specific volume is 0.001211 m3/kg, meaning 1 kg of liquid ethylene occupies about 1.21 litres.

Next stepFor high-accuracy work at elevated pressures use NIST REFPROP or the full equation of state by Jahangiri et al. (1986), which covers temperatures to 450 K and pressures to 260 MPa.

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