Registration Dossier
Registration Dossier
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EC number: 801-656-8 | CAS number: 1416808-92-8
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
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:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide 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:
- other: ISO 10634 "Water Quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium" (1995)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- (3E)-2-chloro-3-(hydroxymethylidene)cyclohex-1-ene-1-carbaldehyde
- EC Number:
- 801-656-8
- Cas Number:
- 1416808-92-8
- Molecular formula:
- C8H9ClO2
- IUPAC Name:
- (3E)-2-chloro-3-(hydroxymethylidene)cyclohex-1-ene-1-carbaldehyde
- Test material form:
- other: molten yellow solid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 87.1 - 88.4 other: mg/2L (bottle A - botlle B)
- Based on:
- other: ThCO2
Reference substance
- Reference substance:
- acetic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- other: ThCO2
- Value:
- 32
- Sampling time:
- 28 d
- Remarks on result:
- other: bottle A
- Parameter:
- other: ThCO2
- Value:
- 38
- Sampling time:
- 28 d
- Remarks on result:
- other: bottle B
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- other: not readily biodegradable
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