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Boiling point

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Description of key information

Boiling point_Vacuum distillation method: 283.6 °C (at 1030.25 mbar)

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
283.6 °C

Additional information

Two experimental studies (ESC, 2013; Bertelo, 2009) as well as one peer-reviewed database entry (GESTIS, 2015) and on MSDS entry (Taminco, 2010) are available for this endpoint.

The boiling point of N-butyldiethanolamine (BDEA, CAS 102 -79 -4) has been determined using correlation of carefully collected P/T data points taken from vacuum distillation at different absolute pressures (ESC, 2013). Four P/T data point pairs for the distillation of the substance have been measured. As final result, the boiling point amounts to 283.6°C at 1030.25 mbar which is considered as key information.

In another experiment, the boiling point of the substance has been sufficiently derived based on differential thermal analysis (DTA) in combination with thermal gravimetric analysis (Bertelo, 2009). The boiling point was derived resulting in 283°C. Referring to the peer-reviewed databse entry (GESTIS, 2015), a boiling point range of 268 - 272°C is provided. According to information provided in the Material Safety Data Sheet (Taminco BVBA, 2010), the substance Butyldiethanolamine has a boiling point of 283°C.