Registration Dossier
Registration Dossier
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EC number: 619-642-3 | CAS number: 106-78-5
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- CHLOROACETIC ACID CAS N°: 79-11-8
- Author:
- UNEP Publications
- Year:
- 1 994
- Bibliographic source:
- http://www.inchem.org/documents/sids/sids/79118.pdf
- Report date:
- 1994
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
- GLP compliance:
- no
Test material
- Reference substance name:
- Chloroacetic acid
- EC Number:
- 201-178-4
- EC Name:
- Chloroacetic acid
- Cas Number:
- 79-11-8
- Molecular formula:
- C2H3ClO2
- IUPAC Name:
- 2-Chloro-ethanoic acid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: Lake water + activated sludge (adapted; non-adapted)
Initial test substance concentration
- Based on:
- not specified
- Details on study design:
- Temperature 20°C
Results and discussion
% Degradationopen allclose all
- Parameter:
- other: %
- Value:
- 91
- Sampling time:
- 9 d
- Remarks on result:
- other: non-adaption
- Parameter:
- other: %
- Value:
- 91
- Sampling time:
- 5.5 d
- Remarks on result:
- other: adaption
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- readily biodegradable
- Conclusions:
- 91% degradation after 9 days (no adaption) and after 5.5 days (adaption).
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