Registration Dossier
Registration Dossier
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EC number: 700-485-5 | CAS number: 939402-02-5
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The toxicity to microorganisms, of DVS005u was determined to be EC50 > 320 mg/l and NOEC 320 mg/L according to a study performed in line with GLP and to the standardised guidelines OECD 209 and EU Method C.11.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 320 mg/L
- EC10 or NOEC for microorganisms:
- 320 mg/L
Additional information
The key study (Youngs, 2010) was conducted in line with GLP and standardised guidelines with a sufficient level of detail to assess the quality of the study. Activated sludge from a predominantly domestic sewage was exposed to the test material at the nominal concentration of 10, 32, 100, 320 and 1000 mg/l. The test was performed under static freshwater conditions with an exposure time of 3 hours. The EC50 and the NOEC were determined to be > 320 and 320 mg/l respectively according to the respiration rate. The study was performed to a good standard and was assigned a reliability score of 1 using the principles for assessing data quality as set out in Klimisch (1997).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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