Registration Dossier
Registration Dossier
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EC number: 700-490-2 | CAS number: 36635-56-0
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- other: not recorded in study report
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- Deviations:
- yes
- Remarks:
- settled sludge instead of centrifuged sludge used
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- CGA224433
- IUPAC Name:
- CGA224433
- Details on test material:
- Physical state: white granules
- Analytical purity: 100% determined by sponsor
- Impurities (identity and concentrations):no data
-
- Lot/batch No.: 709027
- Expiration date of the lot/batch: 31/12/89
- Storage condition of test material: room temperature
Constituent 1
Test organisms
- Test organisms (species):
- activated sludge
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 3 h
Results and discussion
Effect concentrations
- Duration:
- 3 h
- Dose descriptor:
- IC50
- Effect conc.:
- ca. 1 - <= 100 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
Any other information on results incl. tables
IC 50 determined as 100mg/l
Applicant's summary and conclusion
- Executive summary:
IC50 for the substance was determined as 100mg/l under this test
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