Registration Dossier
Registration Dossier
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EC number: 256-296-9 | CAS number: 47107-74-4
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 06/2008
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- Name: lodo(triphenylphosphino)copper
Batch No.: 07112301
Appearance: white powder - Analytical monitoring:
- no
- Vehicle:
- no
- Test organisms (species):
- activated sludge of a predominantly domestic sewage
- Details on inoculum:
- Activated sludge from a biologic sewage treatment plant was used. The chosen plant
treats mostly· domestic sewage. - Reference substance (positive control):
- yes
- Duration:
- 3 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Conclusions:
- In a study on respiration inhibition of activated sludge, a NOEL of 1000 mg/l was determined.
- Executive summary:
The NOEC value of iodo(triphenylphosphino)copper was determined to be 1000 mg/l.
Reference
Description of key information
Key value for chemical safety assessment
- EC10 or NOEC for microorganisms:
- 1 000 mg/L
Additional information
The NOEC value is above the solubility limit.
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