Registration Dossier
Registration Dossier
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EC number: 434-380-8 | CAS number: 215231-33-7
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- Deviations:
- no
Test material
- Test material form:
- liquid
Constituent 1
Test organisms
- Test organisms (species):
- activated sludge of a predominantly domestic sewage
Study design
- Test type:
- other:
- Water media type:
- other:
- Limit test:
- no
- Total exposure duration:
- 3 h
Test conditions
- Reference substance (positive control):
- yes
Results and discussion
Effect concentrationsopen allclose all
- Key result
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- 466 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks on result:
- other:
- Duration:
- 3 h
- Dose descriptor:
- other:
- Effect conc.:
- 108 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks on result:
- other:
- Duration:
- 3 h
- Dose descriptor:
- other:
- Effect conc.:
- > 1 001 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks on result:
- other:
- Key result
- Duration:
- 3 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 10 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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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