Registration Dossier
Registration Dossier
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EC number: 262-975-0 | CAS number: 61788-44-1
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- secondary literature
- Justification for type of information:
- Data is from secondary literature
- Qualifier:
- according to guideline
- Guideline:
- ISO 8192 (Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation)
- Principles of method if other than guideline:
- Toxicity of test chemical were checked by observing effect of test chemical on the oxygen consumption of activated sludge.
- GLP compliance:
- no
- Analytical monitoring:
- no
- Vehicle:
- no
- Test organisms (species):
- activated sludge
- Test type:
- not specified
- Water media type:
- not specified
- Total exposure duration:
- 3 h
- Reference substance (positive control):
- not specified
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- 362 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- test mat.
- Basis for effect:
- other: inhibition of oxygen consumption
- Remarks on result:
- other: Other details not known
- Validity criteria fulfilled:
- no
- Conclusions:
- The effective concentration (EC50) value of test chemical on microorganism (activated sludge) in a 3 hr study was determine to be 362 mg/L.
- Executive summary:
Toxicity of test chemical were checked by observing effect of test chemical on the oxygen consumption of activated sludge. Test conducted for 3 hrs. The effective concentration (EC50) value of test chemical on microorganism (activated sludge) in a 3 hr study was determine to be 362 mg/L.
Reference
Description of key information
Toxicity of test chemical were checked by observing effect of test chemical on the oxygen consumption of activated sludge. Test conducted for 3 hrs. The effective concentration (EC50) value of test chemical on microorganism (activated sludge) in a 3 hr study was determine to be 362 mg/L.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 362 mg/L
Additional information
Toxicity of test chemical were checked by observing effect of test chemical on the oxygen consumption of activated sludge. Test conducted for 3 hrs. The effective concentration (EC50) value of test chemical on microorganism (activated sludge) in a 3 hr study was determine to be 362 mg/L.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
