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Physical & Chemical properties

Boiling point

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Description of key information

decomposes at 246°C prior to boiling (at normal pressure) 

Key value for chemical safety assessment

Additional information

In the Klimisch 1 GLP study from Das (2001), the boiling point of ITTFEP (purity 98.5%) was determined under GLP according to OECD 103, EU A.2 and EPA OPPTS 830.7220. Due to thermal decomposition of the test item at a temperature lower than that of the boiling point it was not possible to determine the boiling point at normal pressure. The boiling point was taken from the report on the vapour pressure curve. The boiling point at 14.3 Pa is 50.3 °C.

At normal atmospheric pressure, the decomposition starts at about 246 °C. A weak oxidative decomposition started at about 197°C.

The obtained results are considered as relevant for the further assessment.