Registration Dossier
Registration Dossier
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EC number: 288-305-7 | CAS number: 85711-45-1
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
Two studies investigating the ready biodegradability offatty acids, C16-18 and C18-unsaturated, esters with pentaerythritol (CAS 85711-45-1)are available. The first GLP study was conducted under aerobic conditions according to OECD Guideline 301B using non-adapted activated sludge as inoculum (van der Kerken, 1995). Test concentrations of 43.7 mg/L and 43.9 mg/L were applied. Based on CO2 evolution a biodegradation of 65-69% was observed after 28 days.
The second GLP study was conducted under aerobic conditions according to OECD Guideline 301B using non-adapted activated sludge as inoculum (Muckle, 2013). Test concentrations of 27.1 mg/L and 26.9 mg/L were applied. Based on CO2 evolution a biodegradation of 69% was observed after 29 days.Since the substance reached the pass level for OECD 301B (biodegradation is > 60% after 28 d) the substance is stated to be readily biodegradable according to the OECD criteria.
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