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EC number: 606-373-1
CAS number: 197706-50-6
From the TGA curve it could be derived that the weight of the
sample decreased significantly from 250°C onwards. At 294°C the sample
weight has decreased by 25%. After the experiment, a orange brown molten
residue remained in the sample container (original colour: yellow). The
change of the colour indicated reaction and/or decomposition of the test
In order to determine the melting more precisely, the DSC curve
with a cooling rate of -5°C/min was obtained and showed a glass
transition (TG; temperature beyond which typically an
amporphous solid softens) between -40°C and -80°C. During heating a
glass transition (TG) was observed between -75°C and -25°C.
The inflection point was -47.557°C. Starting at 150°C, the DSC curve
showed an endothermic effect. The effect was most likely due to the
start of reaction and/or decomposition, based on the change of colour.
After the experiment, a orange yellow residue remained in the sample
Experiment 2 was performed to determine the duplicate inflection
point of the TG. The temperature program of the second
experiment was stopped after the glass transition. The inflection point
of the glass transition was-47.017°C. After the experiment, the residue
in the sample container remained unchanged.
The glass transition was determined as the average temperature
obtained from Experiment 1 (-47.557°C) and Experiment 2 (-47.017°C).
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