Registration Dossier
Registration Dossier
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EC number: 696-231-5 | CAS number: 1361000-03-4
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
The 72 hour EC50 value of C6-Pyrazole Hemisulfate to Pseudokirchneriella subcapitata for inhibition of the growth rate was 1.06 mg/L expressed as test material and based on geometric mean measured concentrations.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 1.06 mg/L
- EC10 or NOEC for freshwater algae:
- 0.42 mg/L
Additional information
The 72 h toxicity of C6 -Pyrazole Hemisulfate to Pseudokirchneriella subcapitata was determined according to the OECD 201 guideline and following the GLP. All the validity criteria are fulfilled. The 72 h EC50 of C6 -Pyrazole Hemisulfate to Pseudokirchneriella subcapitata for inhibition of the growth rate was 1.06 mg/L expressed as test material and based on geometric mean measured concentrations. The ErC10 was 0.42 mg/L.
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