Registration Dossier
Registration Dossier
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EC number: 200-755-8 | CAS number: 71-48-7
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:
- other: Acceptable, well documented publication which meets basic scientific principles. Comparable to OECD guideline studies for readily biodegradability.
Data source
Reference
- Reference Type:
- publication
- Title:
- Brine shrimp bioassay and seawater BOD of petrochemicals
- Author:
- Price KS, Waggy GT, Conway RA
- Year:
- 1 974
- Bibliographic source:
- J Water Pollut Control Fed 46: 63-77
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- no
Test material
- Reference substance name:
- Acetic acid
- EC Number:
- 200-580-7
- EC Name:
- Acetic acid
- Cas Number:
- 64-19-7
- IUPAC Name:
- acetic acid
- Details on test material:
- - Acetic acid, no further details on test substance characteristics are given.
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- - A settled domestic waste water was filtered through glass wool and then added (3 ml/bottle) as seed material to clean the bottle.
- Duration of test (contact time):
- 20 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 96
- Sampling time:
- 20 d
- Details on results:
- Kinetic of test substance (in %):
= 76 after 5 day(s)
= 82 after 10 day(s)
= 85 after 15 day(s)
= 96 after 20 day(s)
Applicant's summary and conclusion
- Interpretation of results:
- readily biodegradable
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