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EC number: 849-166-3
CAS number: 83841-00-3
The thermograms of each determination were recorded. The extrapolated
endotherm onset temperature in the thermograms was interpreted as the
melting temperature. The following melting temperatures were determined:
- determination 1: 117.83 °C
- determination 2: 118.05 °C
- determination 3: 118.00 °C
- determination 4: 117.79 °C
The melting temperature of the test substance was determined under GLP
in accordance with OECD TG 102, using differential scanning calorimetry.
The accuracy of the apparatus was determined with indium and zinc prior
to the test measurements. Aliquots of about 5 mg of the test substance
were weighed into aluminium crucibles with manually pierced lids, which
were placed in the calorimeter. The temperature was increased from 80 °C
at 1 °C/minute. Two determinations were conducted in air and two in a
nitrogen atmosphere. Essentially identical thermograms were obtained in
all four determinations. The extrapolated endotherm onset temperature
was interpreted as the melting temperature. The average melting
temperature of the four determinations was 117.9 °C at an atmospheric
pressure of 102 kPa.
Melting temperature: 117.9 °C at 102 kPa (GLP, OECD TG 102)
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