Registration Dossier
Registration Dossier
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EC number: 611-210-2 | CAS number: 54914-95-3
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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: OECD guidelines used
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
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:
- 4-aminotoluene-3-sulphonic acid
- EC Number:
- 201-831-3
- EC Name:
- 4-aminotoluene-3-sulphonic acid
- Cas Number:
- 88-44-8
- IUPAC Name:
- 2-amino-5-methylbenzenesulfonic acid
- Details on test material:
- Dainippon Ink & Chemicals, Incorporated; purity >99%
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 14 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 30 mg/L
- Based on:
- test mat.
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Value:
- 0
- Sampling time:
- 14 d
- Details on results:
- Kinetic of test substance (in %):
= 0 after 14 day(s)
Kinetic of control substance (in %):
> 40 after 7 day(s)
> 60 after 14 day(s)
Degradation products: no
Any other information on results incl. tables
Also, all the results by the concurrent test detected by TOC
and UV, were 0%.
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The substance is not readily biodegradable
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