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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

With high probability not chronically toxic.

Key value for chemical safety assessment

Marine water invertebrates

Marine water invertebrates
Effect concentration:

Additional information

No experimental data is available for 3,3’,5,5’-tetramethyl-4,4’-diaminodicyclohexylmethane (CAS 65962 -45 -0). Using a read-across approach to the structurally similar substance 2,2'-dimethyl-4,4'-methylenebis(cyclohexylamine) (CAS 6864 -37 -5), data for a study following OECD 211 using Daphnia magna as the test species are available. The test performed by NITE (2003) was identified as the key study. The 21-d NOEC was determined to be 4.0 mg/L.