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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

Ready biodegradability has been investigated in a DOC-die away test according to EU test methods. Tetrahydrophthalic anhydride was found to be readily biodegradable but failed to meet the 10-day window criterion for the test.

Level III fugacity modelling indicates degradation in water, sediment and soil with half lifes estimated as 360, 3240 and 720 hours respectively