Registration Dossier
Registration Dossier
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EC number: 212-215-9 | CAS number: 769-92-6
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 982
- Report date:
- 1982
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- Pseudomonas putida respiration inhibition test, incubation time 30 min
- GLP compliance:
- no
- Remarks:
- Study conducted prior to GLP implementation
Test material
- Reference substance name:
- p-tert-butylaniline
- EC Number:
- 212-215-9
- EC Name:
- p-tert-butylaniline
- Cas Number:
- 769-92-6
- Molecular formula:
- C10H15N
- IUPAC Name:
- 4-tert-butylaniline
Constituent 1
Test solutions
- Details on test solutions:
- The test substance was pre-treated in the following way: 1g/L test substance and 1 g/L Emulsifier W/Emulvin W were stirred and afterwards filtrated through a paper filter. From this stock solution dilutions were produced.
Test organisms
- Test organisms (species):
- Pseudomonas putida
Study design
- Water media type:
- freshwater
- Total exposure duration:
- 30 min
Results and discussion
Effect concentrations
- Duration:
- 30 min
- Dose descriptor:
- EC0
- Effect conc.:
- 250 mg/L
- Remarks on result:
- other: No inhibition of respiration has been observed at 250 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- No inhibition of respiration has been observed at 250 mg/L (=EC0).
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