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EC number: 942-252-2
CAS number: -
Starting at 275°C, the weight of the sample decreased significantly. At
333°C, the sample weight had decreased by 25%. After the experiment, a
black molten residue remained in the sample container (original colour:
off-white). The change of the colour indicated reaction and/or
decomposition of the test item.
An endothermic peak was observed between 50°C and 125°C in Experiment 1.
Based on the weight loss observed during the preliminary test between
50°C and 125°C the endothermic effect was most likely due to evaporation
of volatile components. An endothermic peak was observed between 225°C
and 300°C. The endothermic effect was most likely obtained due to
melting or reaction and/or decomposition of the test item. After the
experiment, a black/brown molten residue remained in the sample
To investigate the endothermic peak between 50°C and 125°C, a repeated
heating cycle was applied in Experiment 2. With the first heating no
changes were observed compared with Experiment 1. During cooling,
exothermic peaks between 50°C and 80°C were found (results are archived
in the raw data). Based on the results found in the preliminary test,
the reason for these effects is unknown. With the second heating, an
endothermic peak was observed between 50°C and 100°C. The reason for
this effect was unknown. The reason for the exothermic effect observed
between 150°C and 175°C is unknown. After the experiment, a dark brown
molten residue remained in the sample container.
In order to investigate endothermic peaks between 50°C and 125°C and
between 225°C and 300°C, Experiment 3 was stopped directly after the
first endothermic peak and Experiment 4 was stopped before the second
endothermic peak. After Experiment 3, the sample appeared to have been
unchanged, i.e. no melting of the test item was observed. This
endothermic peak is most likely due to evaporation of volatile
components. After Experiment 4, a brownish coagulated residue remained
in the sample container, indicating that the test item reacted and/or
decomposed before melting.
The boiling temperature of the test item was investigated by DSC
according to OECD Guideline 103 and EU Method A.2. Reaction and/or
decomposition of the test item was observed during DSC experiments at
temperatures of > 225°C (> 498K). Boiling of the test item was not
observed below the temperature at which reaction and/or decomposition
started. Based on this, the test item has no measurable boiling
One reliable experimental study is available and is selected as key
study (Charles River, 2018). It was performed according to OECD
Guideline 103 and EU Method A.2, and under GLP conditions.
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