Registration Dossier
Registration Dossier
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EC number: 453-140-3 | CAS number: -
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The 30 min EC50 value for DHX2 to activated sludge was determined in a GLP study in accordance with test guideline OECD 209 to be >100 mg active content/L with a NOEC of 100 mg active content/L.
Key value for chemical safety assessment
- EC10 or NOEC for microorganisms:
- 100 mg/L
Additional information
In a reliable OECD 209 guideline study, the respiration rate of the predominantly domestic sludge was determined after a 30 min exposure to 163 mg DHX2/L, corresponding to 100 mg active content/L. No inhibition of respiration rate of the sludge was recorded. Therefore, the 30 min EC50 was determined to be >100 mg/L and the NOEC was 100 mg/L.
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