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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The freezing point of Leuco Sulfur Black 1 was determined to be -1.7 °C ± 0.2 °C which is equal to 271.7 K ± 0.2 K.

Key value for chemical safety assessment

Additional information

The freezing point of Leuco Sulfur Black 1 is influenced by its high water content. It can be assumed that the measured value corresponds to the water fraction only.