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Physical & Chemical properties

Melting point / freezing point

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Description of key information

melting point/decomposition:  197°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
197 °C

Additional information

In the Klimisch 1 non-GLP study from Kintrup (2012) the melting point of Sulfosuccinic (isoFA C10)diE, Na was determined with the DSC method according to OECD 102 and EU method A.1. The test item did not show melting up to 197°C.Up to 197 °C the sample shows a weight loss of ca. 4-5 weight%. From 197 °C the test item shows most probably a thermal decomposition with melting and evaporation of the decomposition components. A vaporization of significant parts of the test item cannot be completely excluded.

In the temperature range between about 40 °C and 160 °C the test item shows an endothermic effect. This effect is possibly evaporation of part components. This effect is not the melting of the test item (main component) which was verified by a subsequent test with the Kofler-heating bank. The cooling runs show no crystallization

For the risk assessment a melting point of 197°C will be used.

This information is considered to be relevant and reliable for the further risk assessment.