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Vapour pressure

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Description of key information

Vapour pressure_Calculation method: 1.2 Pa at 25°C

Key value for chemical safety assessment

Vapour pressure:
1.2 Pa
at the temperature of:
25 °C

Additional information

The vapour pressure estimation for Butyldiethanolamine (CAS 102 -79 -4) is performed by using a correlation equation (Chemservice S.A., 2015) which is based on experimental data (ESC, 2013). Pressure/Temperature data point pairs at different absolute pressures have been carefully collected for pure BDEA using vacuum distillation. Based on these data, a two-parameter correlation equation has been determined which was applied to calculate the vapour pressure at 25°C. As final result, a vapour pressure of 1.2 Pa was calculated. According to information provided in the Material Safety Data Sheet (Taminco BVBA, 2010), the substance has a vapour pressure of 1.33 Pa at 25°C.