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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

19% biodegradation after 29 days (CO2 evolution) (OECD 301B)

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

One ready biodegradation study is available for 3-(Hexyloxy)-1.2-propanediol (CAS No. 10305 -38 -1). This key study was carried out following OECD Guideline 301B and according to GLP (Desmares-Koopmans, 2013). Under aerobic conditions the test substance was incubated with the inoculum containing microorganisms from a domestic sewage plant. After the test period of 29 days, biodegradation reached 19%, based on CO2 evolution.

In conclusion, 3-(Hexyloxy)-1.2-propanediol (CAS No. 10305 -38 -1) can be considered as not biodegradable under the test conditions according to OECD criteria.