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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In accordance with column 2 of REACH Annex VII, the test cannot be performed, as the substance decomposes in water. The half-time (t1/2) is 6.1h at ambient conditions (23°C).
Although being a more theoretical approach, an ideal structure the "corresponding diamine of the HDI Uretdione (n=2)" was considered in order to get an estimation on the behaviour of the hydrolysed product.
The calculated log Pow on the basis of the structural formula of the ideal HDI Uretdione (1,3-Diazetidine-2,4-dione, 1,3-bis(6-isocyanatohexyl) is 6.62.
The calculated log Pow of the corresponding diamine of the main constituent is 3.77.

Key value for chemical safety assessment

Additional information


Currenta, 2014 (a, b)


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