Registration Dossier
Registration Dossier
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EC number: 265-332-2 | CAS number: 65059-42-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2019.03.12~2019.05.17
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
- Version / remarks:
- Adopted : 1992-07-17
- GLP compliance:
- yes
Test material
- Reference substance name:
- Trimethyloctylammonium methyl sulphate
- EC Number:
- 265-332-2
- EC Name:
- Trimethyloctylammonium methyl sulphate
- Cas Number:
- 65059-42-9
- Molecular formula:
- C11H26N.CH3O4S
- IUPAC Name:
- trimethyl(octyl)azanium methyl sulfate
- Test material form:
- solid: bulk
Constituent 1
Study design
- Inoculum or test system:
- sewage, domestic, adapted
- Details on inoculum:
- Cultured inoculum (more than 1 month), cell number 107 cells/mL or more
- Duration of test (contact time):
- ca. 28 d
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 83
- Sampling time:
- 7 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 76.1
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 84.5
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- The test could be concluded to be readily degradable by microorganism in the aquatic environment based on the OECD pass level of biodegradability (60 %).
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