Registration Dossier
Registration Dossier
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EC number: 212-658-8 | CAS number: 838-88-0
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 1981-04-29 to 1981-05-21
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data given. However, reported data are unsuitable in the context of the ICCA/HPV-program and regulatory issues.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 981
- Report date:
- 1981
Materials and methods
- Principles of method if other than guideline:
- Respirometric degradation and toxicity test following a BASF standard method. This BASF standard method has been described in: Pagga U (1980).
Vom Wasser 55, 313-325 - GLP compliance:
- no
Test material
- Reference substance name:
- 4,4'-methylenedi-o-toluidine
- EC Number:
- 212-658-8
- EC Name:
- 4,4'-methylenedi-o-toluidine
- Cas Number:
- 838-88-0
- Molecular formula:
- C15H18N2
- IUPAC Name:
- 4-[(4-amino-3-methylphenyl)methyl]-2-methylaniline
- Details on test material:
- - Name of test material (as cited in study report): 3,3-Dimethyl-4,4-diaminodiphenylmethan
- Purity: No data given
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial (adaptation not specified)
- Duration of test (contact time):
- 22 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- not specified
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 10
- Sampling time:
- 22 d
Applicant's summary and conclusion
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