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Registration Dossier
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EC number: 420-390-1 | CAS number: 187547-46-2 EXPERIMENTAL CROSSLINKER S17762-80(S); MELAMINE BASED CROSSLINKER (MBC); TACT
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
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Deviations:
- yes
Test material
- Test material form:
- solid: particulate/powder
Constituent 1
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
Study design
- Test type:
- static
- Water media type:
- other:
- Limit test:
- no
- Total exposure duration:
- 72 h
Test conditions
- Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 42.9 mg/L
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat. (dissolved fraction)
- Basis for effect:
- growth rate
- Key result
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 5.5 mg/L
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat. (dissolved fraction)
- Basis for effect:
- biomass
- Key result
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 5.5 mg/L
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat. (dissolved fraction)
- Basis for effect:
- growth rate
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- ca. 18.68 mg/L
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat. (dissolved fraction)
- Basis for effect:
- biomass
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
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