Registration Dossier
Registration Dossier
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EC number: 231-453-4 | CAS number: 7560-83-0
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data given
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 8192 (Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation)
- Deviations:
- not specified
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Dicyclohexylamine
- EC Number:
- 202-980-7
- EC Name:
- Dicyclohexylamine
- Cas Number:
- 101-83-7
- Molecular formula:
- C12H23N
- IUPAC Name:
- N-cyclohexylcyclohexanamine
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- activated sludge
Study design
- Test type:
- static
- Water media type:
- not specified
- Total exposure duration:
- 3 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 3 h
- Dose descriptor:
- other: EC05
- Effect conc.:
- 210 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- not specified
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- 712 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- not specified
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
- Duration:
- 3 h
- Dose descriptor:
- other: EC95
- Effect conc.:
- 2 414 mg/L
- Nominal / measured:
- nominal
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
Applicant's summary and conclusion
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
