Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 205-483-3 | CAS number: 141-43-5
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: peer reviewed
Data source
Reference
- Reference Type:
- secondary source
- Title:
- the result of ecological impact test of chemical substances
- Author:
- Japanese Ministry of Environment
- Year:
- 1 997
- Bibliographic source:
- Data published on the NITE website accessed 19 May 2011: http://www.safe.nite.go.jp/english/sougou/view/ComprehensiveInfoDisplay_en.faces#8
Materials and methods
Test guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2-aminoethanol
- EC Number:
- 205-483-3
- EC Name:
- 2-aminoethanol
- Cas Number:
- 141-43-5
- Molecular formula:
- C2H7NO
- IUPAC Name:
- 2-aminoethanol
- Details on test material:
- - Name of test material (as cited in study report): ethanolamine
- Analytical purity: no data
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
- Details on sampling:
- no data
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
- Details on test organisms:
- no data
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- no data
- Test temperature:
- no data
- pH:
- no data
- Dissolved oxygen:
- no data
- Salinity:
- no data
- Nominal and measured concentrations:
- no data
- Details on test conditions:
- no data
- Reference substance (positive control):
- not specified
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- ca. 2.5 mg/L
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 1 mg/L
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
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.
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.
