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EC number: 214-014-1 | CAS number: 1072-71-5
The melting point of the test substance has been determined to be 175.2°C, decomposition occurred at ca. 189°C, by using differential scanning calorimetry (DSC) in a non-GLP study according to ASTM D 3418 -99.
Differential scanning calorimetry (DSC), similar to OECD 102, according to DIN 51007, ASTM D 3418-99: melting point = 175.2°C, decomposition occurred at ca. 189°C
In the available study using differential scanning calorimetry, the melting point was determined to be 175.2°C, decomposition occurred at ca. 189°C. DSC in general is suitable to detect transitions via changes in enthalpy during heating which may be all melting point, boiling point, or decomposition.
Thermogravimetric Analysis however only revealed the start of composition during heating at 162.7 °C. TGA is only able to detect mass changes during heating, e.g. by evaporation of certain compounds during decomposition.
Hence, it can be concluded, despite the differences in onset of decomposition, that the test item melts at 175.2°C, and that the test item definitively decomposes at temperatures close to the melting point without boiling.
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