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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Sediment toxicity

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Administrative data

Link to relevant study record(s)

Description of key information

The results of the chemical safety assessment do not indicate the need to investigate further the effects of the substance and/or relevant degradation products on sediment organisms (compare column 2, Annex X of the REACH regulation). There is no indication that there is a relevant route of exposure regarding sediment. 3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, homopolymer hydrolyses rapidly upon contact with water. The amines formed react further with unreacted diisocyanate groups of IPDI homopolymer resulting in oligo- and subsequently polyurea components. Polyurea is known to be inert and is probably due to its molecular size not bioavailable. Thus significant exposure of the sediment compartment is not expected.

Key value for chemical safety assessment

Additional information