Registration Dossier
Registration Dossier
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EC number: 249-655-6 | CAS number: 29463-06-7
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
EC0 = 300 mg/L
EC10 = 380 mg/L
EC50 > 1000 mg/L
EC100 > 1000 mg/L
Key value for chemical safety assessment
- EC10 or NOEC for freshwater algae:
- 380 mg/L
Additional information
The influence of the test item on the growth
of Scenedesmus subspicatus was investigated in a 96 hours toxicity test
according to DIN 38412 and OECD Guideline No. 201. The test organismus,
Scenedesmus subspicatus was cultivated for several generations in
nutrient solution in the presence of different concentrations of the
test substance. The chronic effect concentration of the test substance
on algae was determined by measuring the turbidity of the algal
suspensions after 96 hours. The following effect concentrations was
determined:
EC0 = 300 mg/L
EC10 = 380 mg/L
EC 50 >1000 mg/L
EC100 >1000 mg/L
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