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Physical & Chemical properties

Boiling point

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boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11 August 2010
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP, carried out according to recognised guideline
according to guideline
EU Method A.2 (Boiling Temperature)
according to guideline
OECD Guideline 103 (Boiling point/boiling range)
Principles of method if other than guideline:
For the determination of the boiling point, the capillary method is used. A small amount of the test item is heated in the electronic controlled sample block and the temperature around the sample is displayed. The sample is observed visually while raising the temperature. A phase transformation from liquid to vapour usually is deduced by the formation of bubbles. The test item is assessed visually for any possible changes in its appearance, consistency and colour. The initial temperature of boiling or other effects observed is registered with the corresponding heating temperature.
GLP compliance:
yes (incl. QA statement)
Type of method:
other: capillary method
Key result
Boiling pt.:
> 400 °C
Atm. press.:
98 kPa
Remarks on result:
other: No boiling point was observed at up to 400 deg C

The test was carried out at 98.0 kPa atmospheric pressure. Using a linear heating rate of 0.5 °C/min, the boiling point of Reofos 65 was found to be: no boiling point was observed up to 400°C .

During the tests the following transformation temperature was recorded: Temperature 1. (399 °C):   formulation of bubbles started

No boiling point was observed up to 400 °C.
Executive summary:

An attempt was made to determine the boiling point of Reofos 65. No boiling point was observed up to 400 °C.

Description of key information

Boiling point

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
400 °C

Additional information

A single GLP compliant study gives the boiling point as >400 °C