Registration Dossier
Registration Dossier
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EC number: 217-683-8 | CAS number: 1929-86-8
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening test, other
- Remarks:
- MCPP TECHNICAL: aerobic transformation in aquatic sediments systems
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 21.11.2005 - 12.01.2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: according to OECD Guideline No 308 (2002)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Mecoprop
- EC Number:
- 230-386-8
- EC Name:
- Mecoprop
- Cas Number:
- 7085-19-0
- Molecular formula:
- C10H11ClO3
- IUPAC Name:
- 2-(4-chloro-2-methylphenoxy)propanoic acid
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- water
- Test material form:
- solid
Constituent 1
impurity 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- natural sediment: freshwater
- Duration of test (contact time):
- 52 d
Results and discussion
% Degradationopen allclose all
- Key result
- Parameter:
- other: DT50
- Remarks:
- time within which the concentration of a test material is reduced by 50%
- Remarks on result:
- other: DT50 = 35.7
- Remarks:
- Sediment I
- Key result
- Parameter:
- other: DT50
- Remarks:
- time within which the concentration of a test material is reduced by 50%
- Remarks on result:
- other: DT50 = 27.0 d
- Remarks:
- Sediment II
Applicant's summary and conclusion
- Executive summary:
Taking into account the obtained results it was assessed that MCPP TECHNICAL was degraded, and the DT50 is 35.7 and 27.0 days for aquatic sediment I (fine texture) and aquatic sediment II (coarse texture), respectively.
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