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EC number: 276-333-2
CAS number: 72089-08-8
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 125.1 to
187.6 °C. The measured vapour pressure values together with the measured
temperatures are listed in in the table below.
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
Log10 p = A + B / (C + Θ)
can be derived by regression (Microsoft Excel) of the data points to
A = 11.0223
B = -3187.08
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 No. 440/2008 Method A.4.
Vapour pressure: 0.01 hPa at 20 °C, 0.02 hPa at 25 °C, and 0.14 hPa at
50 °C (E.U. 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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