Registration Dossier
Registration Dossier
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EC number: 469-110-8 | CAS number: -
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
In a respiratory inhibition test, AD-1000 did not have an effect on the activated sludge, hence the 3-h EC50 is >100 mg/l and the NOEC is 100 mg/l.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 100 mg/L
- EC10 or NOEC for microorganisms:
- 100 mg/L
Additional information
Two studies with AD-1000 were performed, one lasting 30 minutes, the other one with a 3 -hour exposure period.
In a respiration inhibition test according to OECD 209 and EC C.11 test guidelines, activated sludge of a predominantly domestic sewage was exposed to 100 mg/l of AD-1000 for 3 hours under aerobic freshwater conditions. No effects were observed, hence the 3 -h EC50 is >100 mg/l and the NOEC is 100 mg/l. No observations (e.g. precipitation) were present that might cause a difference between measured and nominal values. No effect concentrations exceeding solubility of substance in test medium. The same results were observed in a similar study but with exposure to AD-1000 for 30 minutes.
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