Registration Dossier
Registration Dossier
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EC number: 298-725-2 | CAS number: 93821-38-6 An acid sludge by-product of the sulphuric acid refining of crude high temperature coal. Composed primarily of sulfuric acid and organic compounds.
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
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 93821-38,6
- IUPAC Name:
- 93821-38,6
Constituent 1
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1.3 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- LOEC
- Effect conc.:
- 2.1 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 4.9 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1.3 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- LOEC
- Effect conc.:
- 2.1 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 2.7 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1.3 mg/L
- Basis for effect:
- other: AUC (Ara Under the Curve) corelation between cell concentration and absorption given)
- Duration:
- 72 h
- Dose descriptor:
- LOEC
- Effect conc.:
- 2.1 mg/L
- Basis for effect:
- other: AUC (Ara Under the Curve) corelation between cell concentration and absorption given)
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 2.9 mg/L
- Basis for effect:
- other: AUC (Ara Under the Curve) corelation between cell concentration and absorption given)
Applicant's summary and conclusion
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