Registration Dossier
Registration Dossier
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EC number: 249-020-3 | CAS number: 28443-50-7
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- Deviations:
- yes
- Remarks:
- Reference substance: potassium dichromate instead of 3,5-dichlorophenol
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2-amino-5-chlorophenol
- EC Number:
- 249-020-3
- EC Name:
- 2-amino-5-chlorophenol
- Cas Number:
- 28443-50-7
- Molecular formula:
- C6H6ClNO
- IUPAC Name:
- 2-amino-5-chlorophenol
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- activated sludge, domestic
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 3 h
- Dose descriptor:
- EC10
- Effect conc.:
- < 18 mg/L
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- 80 mg/L
- Details on results:
- EC20 < 18 mg/L
EC80> 580 mg/L
Applicant's summary and conclusion
- Conclusions:
- Under the test conditions the test item's EC50 = 80 mg/L
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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