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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting point range of 4,4'-MDI is 39 to 43°C according to EU method A.1 (capillary method, Fisk and Langner, 1995).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
42 °C

Additional information