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EC number: 943-947-3
CAS number: -
During the cooling phase an exothermic effect could be observed in
the temperature range of approximately -10 to -30 °C, which can be
assigned to the freezing of the test item. In the subsequent heating
phase an endothermic effect was detected inthe temperature range of -10
to 20 °C, which can be assigned to the melting of the test item. As the
onset temperatures in both tests deviate by more than 0.5 K from their
mean value of 3.12 °C, the test item has a melting range of 2.6 to
Due to the low energy of the melting peak, the melting of the test
item was verified. A small amount of the test item in a test tube was
cooled down to -24.5 °C in a freezer. At this temperature the test item
was solid. For warming up, the frozen sample was placed in a
refrigerator at 3.5 °C. After eight hours the sample was still frozen.
After 10 minutes at room temperature the test item was liquefied.
Therefore the melting point in the DSC-measurement was confirmed.
Sample weight / mg
Onset of Effect / °C
Range of effect / °C
Weight loss / mg
Atmospheric pressure / hPa
-10 – 20 (endo)120 – 320 (endo)
0 – 20 (endo)120 – 320 (endo)
The test item reaction mass of N-butylphthalimide and
N-sec-phthalimide and N-propylphthalimide has a melting range of
2.6 to 3.7 °C at atmospheric pressure (1006 or 1008 hPa, respectively)
as determined by differential scanning calorimetry according to
Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102
The test item has a melting range of 2.6 to 3.7 °C at atmospheric
pressure (1006 or 1008 hPa, respectively) as determined by differential
scanning calorimetry according to Regulation EC No. 440/2008 Method A.1.
and OECD Test Guideline 102 (1995).
Melting point range of 2.6 to 3.7 °C.
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