Registration Dossier
Registration Dossier
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EC number: 200-929-3 | CAS number: 76-05-1
Toxicity to aquatic plants other than algae
Administrative data
- Endpoint:
- toxicity to aquatic plants other than algae
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1999
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: A reliable and scientifically sound publication referring to a read-across substance.
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM Standards, E 1415- 91, Vol 11.05.
- GLP compliance:
- yes
Test material
- Reference substance name:
- Sodium trifluoroacetate
- EC Number:
- 220-879-6
- EC Name:
- Sodium trifluoroacetate
- Cas Number:
- 2923-18-4
- Molecular formula:
- C2HF3O2.Na
- IUPAC Name:
- sodium trifluoroacetate
Constituent 1
- Specific details on test material used for the study:
- Mixture of sodium trifluoroacetate and [14C]trifluoroacetic acid
- Analytical purity: pure substance
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Lemna gibba
- Details on test organisms:
- TEST ORGANISM
- Common name: duckweed
- Source (laboratory, culture collection): cultures orginating from University of Waterloo, Canada
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 168 h
Test conditions
- Test temperature:
- 23-25°C
- Nominal and measured concentrations:
- 0, 19, 38, 75, 150, 300, 600, 1.200, and 2.400 mg/L (nominal)
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 168 h
- Dose descriptor:
- EC50
- Effect conc.:
- 1 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- biomass
- Duration:
- 168 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 300 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- biomass
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.
