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EC number: 202-945-6
CAS number: 101-48-4
Dynamic method: Vapour-liquid equilibrium (VLE)
The vapour pressure was measured in the temperature range of 72.9 to
125.0 °C. The measured vapour pressure values together with the measured
temperatures are listed in the table.
Results of the dynamic method
Temperature / °C
Vapour pressure / hPa
From the measured data points of the vapour pressure curve, the
constants A, B and C of the Antoine equation were calculated:
Log10 ρ = A + B / C + θ
A = 7.9403
B = -1638.91
C = 273.15
The vapour pressure of the test item was calculated by extrapolation of
the measured vapour pressure curve for the temperatures 20, 25 and 50
°C, according to Regulation EC 440/2008 Method A.4. Vapour Pressure.
Calculated vapour pressure values for 20, 25 and 50 °C
Vapour pressure: 2.24 hPa at 20 °C, 2.78 hPa at 25 °C and 7.39 hPa at 50
°C (EU Method A.4, vapour-liquid equilibrium)
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