Registration Dossier
Registration Dossier
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EC number: 280-427-9 | CAS number: 83400-12-8
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening test, other
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 25 Aug - 08 Sep 1976
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 976
- Report date:
- 1976
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
- GLP compliance:
- no
Test material
- Reference substance name:
- 5-(benzoylamino)-3-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulpho-2-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid, lithium sodium salt
- EC Number:
- 280-427-9
- EC Name:
- 5-(benzoylamino)-3-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulpho-2-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid, lithium sodium salt
- Cas Number:
- 83400-12-8
- Molecular formula:
- C32 H21 Cl F2 N6 O11 S3 . x Li . x Na C32H(21-x-y)ClF2Li(x)N6Na(y)O11S3
- IUPAC Name:
- 5-(benzoylamino)-3-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulpho-2-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid, lithium sodium salt
- Test material form:
- solid
- Details on test material:
- Reactive Red 159
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- not specified
- Duration of test (contact time):
- 14 d
Initial test substance concentration
- Initial conc.:
- 1 g/L
- Based on:
- COD
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Remarks:
- COD
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 14 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The substance does not show any potential for biodegradation.
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