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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

 Not applicable because the substance is hydrolytically unstable.

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
22 °C

Additional information

A log Pow value for the simular substance MDI (CAS 26447-40-5) has been determined. However, given the reactivity of MDI in the aquatic environment and its transient existence in water, the log Pow has little direct relevance to MDI's environmental fate, intermedia transport and ecotoxicity.

A log Pow value of 4.51 is determined at 22 degrees Celsius. The OECD 117 method was followed.