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EC number: 947-313-7
CAS number: -
Results of the pre-test :
At room temperature, the test item was a
slightly brown flowable liquid. At 5.0°, the test item was more solid
compare to room temperature, but still pierceable (viscous mass). At
-20.9°C and -80°C, the test item was solid.
Results of the Main test using
In all runs the mass of
the crucibles was the same and the crucible was visually
In the cooling down phase
no event could be detected, therefore the DSC measurements
did not show any detectable freezing.
In the heating up phase
two flat and wide events were detected. These events are
endothermic. The detected events cannot clearly be
The first event was
observed in a range of -52.00 to -19.88 °C and the second in
a range of -19.98 to 17.08 °C (evaluated with the event
These events might
indicate a delay of melting. As the test item is a UVCB
substance it is not unusual to have flat and wide peaks and
even more as one peak. But it can be some kinds of
transition as well.
As no freezing was
observed during the cooling down phase, the events in the
heating up phase cannot be considered as melting without
melting point of the test item has been stated based
on the preliminary results, as below 5.0°C
(278.2 K) under these circumstances.
No observations were
made which might cause doubts on the validity of
the study outcome.
melting range of the test substance was determined under GLP according
to EU Method A.1 and OECD 102, using the DSC method.
pre-test was conducted, showing that the substance was a
slightly brown flowable liquid at room temperature and atmospheric pressure.
At 5.0°, the test item was more solid compare to room temperature, but
still pierceable (viscous mass). At -20.9°C and -80°C, the test item was
Third determinations were conducted by DSC including
a replicate. In the cooling down phase no event could be detected,
therefore the DSC measurements did not show any detectable freezing.
In the heating up phase two flat and wide endothermic events were
detected. The first event was observed in a range of -52.00 to -19.88 °C
and the second in a range of -19.98 to 17.08 °C (evaluated with the
event marker function). However, considering the complex nature
of the test item and as no signs of freezing were observed during the
cooling down phase, these events cannot clearly be identified. These
events might indicate a delay of melting or some kinds of
Finally, considering that in the pre-test,
the test item was not frozen after a storage time of 24 hours at 5.0°C
whereas it was frozen at -20.9 °C, the melting point of the test item
was stated as below 5.0°C (278.2 K) under these circumstances.
The melting range of the test item was
considered to be < 5.0°C (278.2K)
A fully reliable GLP experimental study,
conducted according to a recognized OECD/EC guidelines is available.
It is considered as a key study.
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