Registration Dossier
Registration Dossier
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EC number: 402-860-6 | CAS number: 110553-27-0 CG 25-1320; IRGANOX 1520; TK 12229/1
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- not specified
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data provided by ECHA - information from migrated NONS file as per inquiry 06-0000021296-70-0000.
Data source
Reference
- Reference Type:
- other: body responsible for test
- Title:
- Unnamed
- Year:
- 1 988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Annex V, C5
- GLP compliance:
- yes
Test material
- Reference substance name:
- 4,6-bis(octylthiomethyl)-o-cresol
- EC Number:
- 402-860-6
- EC Name:
- 4,6-bis(octylthiomethyl)-o-cresol
- Cas Number:
- 110553-27-0
- Molecular formula:
- C25H44OS2
- IUPAC Name:
- 4,6-bis(octylthiomethyl)-o-cresol
Constituent 1
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- not specified
- Duration of test (contact time):
- 28 d
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- not specified
- Value:
- 4
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 93 % degradation after 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The test substance is not readily biodegradable under the conditions of this test.
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