Registration Dossier
Registration Dossier
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EC number: 617-590-6 | CAS number: 846023-24-3
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Study period:
- 21 July - 19 August 2009
- Reliability:
- 1 (reliable without restriction)
Data source
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Qualifier:
- according to guideline
- Guideline:
- ISO DIS 9439 (Ultimate Aerobic Biodegradability - Method by Analysis of Released Carbon Dioxide)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 846024-23-4
- IUPAC Name:
- 846024-23-4
- Details on test material:
- Molecular formula C10H8Cl2N2O2
Molecular weight 259.09
CAS Number 846023-24-3
Description Ivory flakes (determined at NOTOX)
Batch 18238505
Purity 97.3%
Test substance storage: At room temperature in the dark
Constituent 1
Study design
- Duration of test (contact time):
- ca. 28 d
Initial test substance concentration
- Initial conc.:
- ca. 12 other: mg
- Based on:
- other: TOC/l
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- >= 1 - <= 5
- Sampling time:
- 22 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- >= 3 - <= 15
- Sampling time:
- 29 d
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- WAY-186478 was not readily biodegradable under the conditions of the modified Sturm test presently performed
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