Registration Dossier
Registration Dossier
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EC number: 942-066-1 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Readily biodegradable: 60-70% in 28 days (OECD 301B)
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
One study investigating the ready biodegradability of Reaction mass of bis(2-propylheptyl) hexanedioate and O6-[2,2-bis[[6-oxo-6-(2-propylheptoxy)hexanoyl]oxymethyl]butyl] O1-(2-propylheptyl) hexanedioate is available. The test was performed according to OECD guideline 301B under GLP conditions (BASF 2014). Non-adapted municipal activated sludge was used as inoculum. The test substance was tested at a concentration of 20 mg TOC/L. The validity criteria are fulfilled. The pass level of 60% biodegradation was in 28 days. Since the test substance is a mixture of structurally similar compounds the criterion of the ten days window was not applied. Such test substances are multi-component substrates and are typically characterized by different kinetic degradation steps. This evaluation is in accordance with the OECD Guidelines for the testing of chemicals, laid down in the revised introduction to the OECD Guidelines for testing of chemicals, section 3; Part 1, Principles and strategies related to the testing of degradation of organic compounds, adopted 23 March 2006. In conclusion, the test substance is readily biodegradable according to OECD criteria.
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