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Physical & Chemical properties

Appearance / physical state / colour

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Description of key information

Viscous brown liquid

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
liquid

Additional information

MDI-DPG-TPG is a viscous brown liquid at all temperatures associated with its manufacture, storage, and use. Although the substance has a reported measured melting point of 39 °C, indicating that the material would be a solid at ambient temperature, this melting point was obtained on crystallized material.

Crystallization is occuring during the melt point determination due to exposure to very low temperatures in the first phase of the test

The substance in its form as manufactured and used is a viscous liquid