Registration Dossier
Registration Dossier
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EC number: 204-198-1 | CAS number: 117-57-7
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Study period:
- 1990
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: ROBRA test
- GLP compliance:
- no
Test material
- Reference substance name:
- 3-hydroxy-2-methylquinoline-4-carboxylic acid
- EC Number:
- 204-198-1
- EC Name:
- 3-hydroxy-2-methylquinoline-4-carboxylic acid
- Cas Number:
- 117-57-7
- Molecular formula:
- C11H9NO3
- IUPAC Name:
- 3-hydroxy-2-methylquinoline-4-carboxylic acid
Constituent 1
- Specific details on test material used for the study:
- purity not specified
Sampling and analysis
- Analytical monitoring:
- not required
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- other: not specified
- Details on inoculum:
- Age of bacteria suspension: 24 h
Study design
- Test type:
- static
- Limit test:
- no
- Remarks on exposure duration:
- not specified
Test conditions
- Details on test conditions:
- Test was performed at 25°C
- Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Dose descriptor:
- EC50
- Effect conc.:
- 254 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: oxygen consumption
- Dose descriptor:
- EC10
- Effect conc.:
- 134 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: oxygen consumption
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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