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Physical & Chemical properties

Melting point / freezing point

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Description of key information

Data from two studies. 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
198.5 °C

Additional information

The melting point of LAS was determined in two different studies. In the first study, melting point was determined using EU method A.1. A melting point range of 333.2 -388.2 K (60 -116 degrees C) at 102.1 kPa was found. In the second study, the melting point was determined using thermal analysis. A melting point of 198.5 degree C was found. The value of 198.5 degrees C is the preferred value based on previous assessments.