Registration Dossier
Registration Dossier
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EC number: 413-910-1 | CAS number: 1467668-33-2 LUPEROX 610-E-35; LUPEROX 610-E-50; LUPEROX 610-EN-50; LUPEROX 610-M-50; LUPERSOL 610; LUPERSOL 610-M-50
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
3-hydroxy-1,1-dimethylbutyl 2-ethyl-2-methylheptaneperoxoate was observed to be not readily biodegradable according to OECD 301B.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The ready biodegradability of 3-hydroxy-1,1-dimethylbutyl 2-ethyl-2-methylheptaneperoxoate was evaluated in a study performed in accordance with OECD testing guideline 301 B and GLP requirements. The substance was tested for its ready biodegradability in the modified Sturm test at nominal concentrations of 10 and 20 mg/L.
The relative degradation values calculated from the measurements performed during the test period showed a slight degradation at 10 mg/L (16%) but no significant biodegradation at 20 mg/L (4.4%). However, since the substance is hardly soluble in water, the lack of microbial degradation could be a consequence of the limited availability for micro-organisms. Thus under the conditions of this test, 3-hydroxy-1,1-dimethylbutyl 2-ethyl-2-methylheptaneperoxoate was not readily biodegradable.
Under the same conditions sodium acetate was degraded by 75.1%.
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