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Physical & Chemical properties

Melting point / freezing point

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Description of key information

T decomposition > 200°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
200 °C

Additional information

A single DTA study (Dystar,1987) was performed to determine melting point of Direct Blue 71. The substance did not melt but decomposed with the onset temperature T > 200°C.