Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

Viscous brown liquid

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:

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