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EC number: 270-336-2 | CAS number: 68425-16-1
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The biodegradability of polysulfide di-tert-nonyl has been read across from polysulfide di-tert-dodecyl. Polysulfide di-tert-dodecyl is not readily biodegradable, with 0% degradation after 28 days.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The biodegradability of polysulfide di-tert-nonyl has been read across from polysulfide di-tert-dodecyl. Feil (2009) is a ready biodegradability manometric respiration test, following OECD guideline 301F. This is a GLP compliant, aerobic, activated sludge study. It did not fulfil the validity criteria as the oxygen demand of the inoculum control (medium and inoculum) was 20 mg O2/L rather than the 60 mg/L or above within 28 days as required. Polysulfide di-tert-dodecyl is not readily biodegradable, with 0% degradation after 28 days.
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