Registration Dossier
Registration Dossier
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EC number: 414-420-0 | CAS number: - SPE 93279
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Follows standard guidelines, under GLP
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- GLP compliance:
- yes
- Details on test solutions:
- identity and concentration of auxiliary solvent for dispersal: the substance was dissolved directly in sterile nutrient medium.
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
- Limit test:
- no
- Total exposure duration:
- 72
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 98 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 98 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 98 mg/L
- Basis for effect:
- biomass
- Details on results:
- % concentration loss over test: 20-10
- Conclusions:
- 72h-EbC50 > 98 mg/l
Reference
Description of key information
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 98 mg/L
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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