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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Biodegradation in water: screening tests

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Administrative data

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Description of key information

Determination of Biodegradability of butylal in the Manometric Respirometry Test (according to Annex of EEC-Directive 92/69; corresponds to OECD Guideline 301 F and ISO Standard 9408) shows:

Biodegradation degree (BOD of ThOD) after 28 days : 30 - 40 %

Biodegradation degree (BOD of ThOD) after 34 days : 40 - 50 %

The test substance is in this test partly or moderately biodegradable and not readily biodegradabie (according to OECD criteria).

Key value for chemical safety assessment

Additional information