Registration Dossier
Registration Dossier
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EC number: 215-716-0 | CAS number: 1345-07-9
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
Under the conditions of the performed Activated Sludge Respiration Inhibition Test, the EC10 and EC50 values of test item was determined as higher than 1000 mg/L. Based on the statistical evaluation in this test the NOEC was ≥1000 mg/L.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 1 000 mg/L
- EC10 or NOEC for microorganisms:
- 1 000 mg/L
Additional information
Test Item Effect
The test item was investigated at one (limit) concentration level of 1000 mg/L. The observed oxygen consumption rates consequently the specific respiration rates were in the range of the blank controls, no inhibitory effect of the test item was observed.
3-hour EC10 and EC50 of Test Item
Based on measured oxygen consumption values and calculated specific respiration rates it can be stated that the 3-hour EC10 and EC50 values of the test item are higher than 1000 mg/L.
The EC50 value was determined as: EC50 > 1000 mg/L.
NOEC
The specific respiration rates were compared with the blank control values using 2 Sample t-Test (α=0.05). No statistical significant differences were observed in the comparison with the blank control values, consequently based on the results of this study the NOEC can be statistically and biologically determined as ≥1000 mg/L.
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