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EC number: 293-927-7
CAS number: 91648-65-6
Key information: Vapour pressure (OECD 104, effusion method: vapour pressure balance): 2.1 x 10E-3 Pa at 25 °CSupporting information: Vapour pressure (OECD 104, gas saturation method): 1.92 x 10E-4 Pa at 4.3 °C, 1.75 x 10E-3Pa at 23.0 °C and 1.47 x 10E-3 Pa at 35.2°C
The key value is determined according
to OECD Guideline 104 / EU Method A.4 using the effusion method (Atwal,
2012). In general, this property gives an indication of the probability
of the phase transitions liquid/gas and solid/gas. The quantity of
substance leaving a cell per unit time through an aperture of known size
is determined under vacuum conditions in such a way that return of the
substance into the cell is negligible. The final result was calculated
based on linear regression analysis. In another study, the gas saturation
method (in accordance to identical Guidelines) was applied to determine the
vapour pressure at 4.3, 23.0 and 35.2 °C (Ziegenfuss, 1990).
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