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EC number: 696-026-0
CAS number: 1395383-69-3
From 300°C upwards the weight of the
sample decreased significantly. At 351°C, the sample weight had
decreased by 25%. After the experiment, brown residue was observed on
the lid of the sample container and a brown residue remained in the
sample container (original colour: colourless). The change of the colour
indicated reaction and/or decomposition of the test substance.
The TGA-curve of the test substance is shown in Figure 4 of the study
report (see attached document).
During cooling, a glass transition was
observed between -40°C and -75°C.
Experiment 1: During heating, a glass
transition between -75°C and -25°C was observed. The inflection point of
the glass transition (macroscopically equivalent to the melting point)
of the test substance was -45.62°C. An exothermic peak was observed from
200°C. The effect was due to reaction and/or decomposition of the test
substance. After the experiment, a yellow residue remained in the sample
container. The change of the colour indicated reaction and/or
decomposition of the test substance. DSC curve: Figure 5 (see
Experiment 2: Similar results to the
first experiment were obtained. The inflection point of the glass
transition was -45.50°C. After the experiment, the sample appeared to
have been unchanged, i.e. no decomposition and/or evaporation were
observed. DSC curve: Figure 6 (see attached document).
The melting temperature (glass transition) of bis(2,3-epoxypropyl) cyclohexane-1,2-dicarboxylate is -46°C.
The melting temperature (glass transition) of bis(2,3-epoxypropyl)
cyclohexane-1,2-dicarboxylate is -46°C. Decomposition occurs at
temperatures > 200°C.
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