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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The ready biodegradability of test substance dihydronepetalactone was determined during a GLP-compliant study performed in accordance with OECD Test Guideline 301F (Manometric Respirometry).

Sodium benzoate was used as a reference substance and the activated sludge was taken from a domestic sewage treatment plant.  Oxygen consumption was evaluated on Day 0, 7, 14, 21 and 28.  All validation criteria were met.

On Day 14 (10-day window) the test substance did not achieve the 60% of the ThOD and therefore dihydronepetalactone was not readily biodegradable.  The obtained biodegradation value of 71% indicates that dihydronepetalactone is inherently biodegradable.

Additional information