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EC number: 224-957-0
CAS number: 4573-50-6
The test item showed no thermal effects in the temperature range of 25 -
Dynamic method: Vapour-liquid equilibrium (VLE)
The vapour pressure was measured in the temperature range of 83.8 to
161.5 °C. The measured vapour pressure values together with the measured
temperatures are listed in the following 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 = 10.4799
B = -2733.79
C = 273.15.
The vapour pressure of the test item was calculated by interpolation and
extrapolation of the measured vapour pressure curve for the temperatures
20, 25 and 50 °C, according to Regulation EC No. 440/2008 Method A.4.
Calculated vapour pressure values for 20, 25 and 50 °C
Vapour pressure: 0.14 hPa at 20 °C, 0.20 hPa at 25 °C, 1.05 hPa at 50 °C
(EU Method A.4, dynamic method)
According to Regulation EC No. 440/2008 Method A.4, the vapour pressure
values of the test item for the temperatures 20, 25 and 50 °C were
calculated by extrapolation of the measured vapour pressure curve.
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