Registration Dossier
Registration Dossier
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EC number: 940-734-7 | CAS number: -
Biodegradation in water and sediment: simulation tests
Administrative data
- Endpoint:
- biodegradation in water: simulation testing on ultimate degradation in surface water
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
- Justification for type of information:
- Please refer to the attached QMRF and QPRF
Data source
Referenceopen allclose all
- Reference Type:
- other: QSAR Method Reporting Format
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
- Reference Type:
- other: QSAR Prediction Reporting Format
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
- Reference Type:
- other: QSAR
- Title:
- EpiSuite v4.11, BioHCwin v1.01
- Author:
- Howard et al.
- Year:
- 2 010
- Bibliographic source:
- Howard, P.H., W.M., Meylan, Aronson, D., Stiteler,W.M., Tunkel, J., Comber, M. and Parkerton, F. 2005. A New Biodegradation Prediction Model Specific to Petroleum Hydrocarbons. Environ. Toxicol. Chem. 24(8): 1847-1860
Materials and methods
Test guideline
- Guideline:
- other: Reach Guidance on QSARs R.6
- Principles of method if other than guideline:
- The result was obtained using an appropriate QSAR method (see attached QMRF and QPRF for details).
Test material
- Reference substance name:
- 2-methyltricosane
- EC Number:
- 940-734-7
- Molecular formula:
- C18H38, C19H40, C20H42, C21H44, C22H46, C23H48, C24H50
- IUPAC Name:
- 2-methyltricosane
Constituent 1
Results and discussion
Half-life of parent compound / 50% disappearance time (DT50)
- Compartment:
- water
- DT50:
- >= 29 d
Applicant's summary and conclusion
- Conclusions:
- C8-26 branched and linear alkanes are predicted to have biodegradation half-life in water of ≤294 days. The results are considered to be reliable.
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