Registration Dossier
Registration Dossier
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EC number: 441-020-3 | CAS number: 3335-98-6
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Key study: OECD guideline 201 and EU method C.3. GLP study.
The EC50 for growth rate reduction (ERC50: 0- 72h) was 30 mg/l with a 95 % confidence interval ranging from 21 to 42 mg/l.
The NOEC for cell growth inhibition and growth rate reduction was 4.5 mg/l.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 30 mg/L
- EC10 or NOEC for freshwater algae:
- 4.5 mg/L
Additional information
Key study: OECD guideline 201 and EU method C.3. GLP study.
The EC50 for growth rate reduction (ERC50: 0- 72h) was 30 mg/l with a 95 % confidence interval ranging from 21 to 42 mg/l.
The NOEC for cell growth inhibition and growth rate reduction was 4.5 mg/l.
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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