Registration Dossier
Registration Dossier
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EC number: 265-367-3 | CAS number: 65072-36-8
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 08 June 1992.
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 992
- Report date:
- 1991
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- Version / remarks:
- Test guideline not specified. However, assumed to be based on principles of Closed Bottle Test (OECD 301 D) given results reported.
- Deviations:
- not specified
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Lithium 2-aminobenzothiazole-6-sulphonate
- EC Number:
- 265-367-3
- EC Name:
- Lithium 2-aminobenzothiazole-6-sulphonate
- Cas Number:
- 65072-36-8
- Molecular formula:
- C7H6N2O3S2.Li
- IUPAC Name:
- lithium 2-amino-1,3-benzothiazole-6-sulfonate
- Test material form:
- liquid
Constituent 1
- Specific details on test material used for the study:
- SPA is a 20% aqueous solution of lithium 2-aminobenzothiazole-6-sulphonate
Study design
- Inoculum or test system:
- not specified
Results and discussion
% Degradation
- Parameter:
- other: Ratio of BOD and COD
- Value:
- 34
- Sampling time:
- 28 d
BOD5 / COD results
BOD5 / CODopen allclose all
- Parameter:
- BOD5
- Value:
- 118.5 mg O2/g test mat.
- Parameter:
- COD
- Value:
- 348 mg O2/g test mat.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- SPA (solution) was not readily biodegradable on the basis of the ratio of BOD and COD.
- Executive summary:
When tested for BOD and COD, SPA a 20% aqueous solution of lithium 2-aminobenzothiazole-6-sulphonate, was not readily biodegradable. The ratio of BOD and COD (equivalent to % degradation) was 34%.
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