Registration Dossier
Registration Dossier
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EC number: 209-967-5 | CAS number: 599-61-1
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
Under the testing conditions of the activated sludge respiration inhibition test (carbon and ammonium oxidation) with 4,4’-DDS, 4,4’-DDS was slightly toxic to wastewater (activated sludge) bacteria. The EC50 however was above the highest loading rate tested, a loading rate of 1000 mg/l.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 1 000 mg/L
Additional information
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