Registration Dossier
Registration Dossier
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EC number: 402-670-3 | CAS number: 106797-53-9 DAROCUR (R) 2959; DAROCUR 2959
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)
- Rationale for reliability incl. deficiencies:
- other: Test was conducted according to Guideline "The degradation test of chemical substances using bacteria" and compliant with GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other:
- Deviations:
- not specified
- Principles of method if other than guideline:
- Test methods conform to the guidelines for "The degradation test of chemical substances using bacteria " published in the official
gazette of environmental agency 49 KANPOGYO No5;
MHW 49 YAKUHATSU No. 615; MITI 49 KIKYOKU No. 392
biodegradability test by BOD: determinded by a closed system oxygen consumption measuring apparatus. - GLP compliance:
- yes
Test material
- Reference substance name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- EC Number:
- 402-670-3
- EC Name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- Cas Number:
- 106797-53-9
- Molecular formula:
- C12H16O4
- IUPAC Name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
Constituent 1
Study design
- Duration of test (contact time):
- 28 d
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- not specified
- Value:
- < 1.8
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance)
0% degradation after 7 d
1% degradation after 14 d
0% degradation after 21 d
0% degradation after 28 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
60.6 % degradation after 7 d
81.7 % degradation after 14 d
87.1 % degradation after 21 d
88.1 % degradation after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegrable
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