Registration Dossier
Registration Dossier
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EC number: 944-507-3 | CAS number: -
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
- Study period:
- April 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Freshwater Alga and Cyanobacteria, Growth Inhibition Test)
- Version / remarks:
- OECD 201 guideline (March 2006 correcteed July 2011)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- cf. Annex 8
Test material
- Reference substance name:
- Polysaccharids of kernel Avena sativa, Poaceae
- EC Number:
- 944-507-3
- IUPAC Name:
- Polysaccharids of kernel Avena sativa, Poaceae
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- oxidane
- Test material form:
- solid
- Details on test material:
- Osilift AT is the atomized product of Osilift
Appearance: clear beige powder
Storage conditions: 20°C in a dark place and protected from humidity
Batch number : 131121-0027
Expiration date: November 2016
Constituent 1
additive 1
Test organisms
- Test organisms (species):
- Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
Results and discussion
Effect concentrations
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Remarks:
- Main descriptor EC50 is named ErC50 (inhibition growth rate) in study report - EyC50 is another descriptor (yield inhibition)
- Effect conc.:
- > 800 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat. (dissolved fraction)
- Basis for effect:
- growth rate
- Details on results:
- ErC50 (inhibition growth rate) > 800 mg/L
EyC50 (yield inhibition) 68.7 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- ErC50 (inhibition growth rate) > 800 mg/L
EyC50 (yield inhibition) 68.7 mg/L
NOEC = 50 mg/L
LOEC = 100 mg/L
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