Registration Dossier
Registration Dossier
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EC number: 233-302-8 | CAS number: 10109-95-2
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: According to OECD Guideline No. 301 E
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 E (Ready biodegradability: Modified OECD Screening Test)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2,5-dianilinoterephthalic acid
- EC Number:
- 233-302-8
- EC Name:
- 2,5-dianilinoterephthalic acid
- Cas Number:
- 10109-95-2
- Molecular formula:
- C20H16N2O4
- IUPAC Name:
- 2,5-bis(phenylamino)benzene-1,4-dicarboxylic acid
Constituent 1
Study design
- Duration of test (contact time):
- 28 d
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (DOC removal)
- Value:
- 12
- Sampling time:
- 7 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 22
- Sampling time:
- 14 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 31
- Sampling time:
- 21 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 48
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Interpretation of results:
- inherently biodegradable
- Conclusions:
- Not readily biodegradable in the 10-d window and after 28 days. Degradationrate was 48%.
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