Registration Dossier
Registration Dossier
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EC number: 825-815-6 | CAS number: 227025-12-9
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- Hydrolyzed Quinoa
- EC Number:
- 825-815-6
- Cas Number:
- 227025-12-9
- IUPAC Name:
- Hydrolyzed Quinoa
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- Water
- Test material form:
- liquid
- Details on test material:
- dark clear liquid
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- no
- Details on test solutions:
- Due to the lack of toxicity observed in preliminary range-finding tests (0.01 to 1000 mg/l concentrations tested) OECD Limit Tests were conducted using direct addition of material.
100 mg/l
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- SPECIES: Daphnia magna
ACCLIMATION/TEST WATER: Hard Syntetic Freshwater
FEEDING PRIOR TO TEST: YCT + Selenastrum capricornutum
FEEDING DURING TEST: None -YCT + Selenastrum 2+ h before test
SOURCE: CI Stock cultures
ACCLIMATION TEMP (°C ): 20
BROOD RELEASE START DATE & TIME: 3/30/18 16:00
BROOD RELEASE END DATE & TIME: 3/31/18 10:30
DATE/TIME WATER ADDED: 3/31/18 13:59
DATE/TIME ANIMALS ADDED: 3/31/18 14:17
ANIMAL AGE WINDOW: 18h 30m
MAX AGE AT TEST START: 22h 17m
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 19 - 21
- pH:
- 8.00 - 8.28
- Dissolved oxygen:
- 7.2 - 8.9 mg/L
- Conductivity:
- 568 - 579 uS/cm
- Reference substance (positive control):
- yes
- Remarks:
- KCl
Results and discussion
Effect concentrations
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The EC50 was greater than the test concentration of 100 mg/l.
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