Registration Dossier
Registration Dossier
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EC number: 230-990-1 | CAS number: 7396-58-9
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- from 1995-11-08 to 1995-11-09
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: 2e
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 995
- Report date:
- 1995
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- N-methyldidecylamine
- EC Number:
- 230-990-1
- EC Name:
- N-methyldidecylamine
- Cas Number:
- 7396-58-9
- Molecular formula:
- C21H45N
- IUPAC Name:
- bis(decyl)(methyl)amine
- Details on test material:
- - Date of receipt: 1995-08-31
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
not relevant
Sampling and analysis
- Analytical monitoring:
- not specified
- Details on sampling:
- no data
Test solutions
- Vehicle:
- no
- Details on test solutions:
- no data
Test organisms
- Test organisms (species):
- activated sludge
- Details on inoculum:
- - Initial biomass concentration: 1600 mg/L
- Source: Sindlingen
Study design
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 3 h
Test conditions
- Hardness:
- no data
- Test temperature:
- 18.9 - 19.3°C
- pH:
- 7.0 - 7.3
- Dissolved oxygen:
- no data
- Salinity:
- no data
- Nominal and measured concentrations:
- Nominal concentrations: from 62.5 to 1000 mg/L
- Reference substance (positive control):
- yes
- Remarks:
- 3,5-dichlorophenol
Results and discussion
Effect concentrations
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- 948 mg/L
- Details on results:
- EC20-3h = 92 mg/L and EC80-3h > 1000 mg/L
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.
