Registration Dossier
Registration Dossier
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EC number: 240-185-7 | CAS number: 16044-24-9
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 1988
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Version / remarks:
- 1984
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, ethanedioate
- EC Number:
- 241-922-5
- EC Name:
- Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, ethanedioate
- Cas Number:
- 18015-76-4
- Molecular formula:
- C25H26N2O4
- IUPAC Name:
- Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, ethanedioate
- Test material form:
- solid: particulate/powder
- Details on test material:
- Basic Green 4 Oxalate
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 19 - 21°C
- Reference substance (positive control):
- not specified
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.81 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: calculated as geometric mean value of EC0 and EC100
- Details on results:
- EC0 = 0.6 mg/L
EC100 = 1.1 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The 48-h EC50 to Daphnia magna was calculated at 0.81 mg/L as geometric mean value of the EC0 and EC100. The test was a range-finding study for the Daphnia magna reproduction test.
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