Registration Dossier
Registration Dossier
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EC number: 258-083-6 | CAS number: 52664-35-4
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data given, reliable source
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- ISO 8192 (Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation)
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- GLP compliance:
- yes
Test material
- Reference substance name:
- Tris(4-aminophenyl) thiophosphate
- EC Number:
- 258-083-6
- EC Name:
- Tris(4-aminophenyl) thiophosphate
- Cas Number:
- 52664-35-4
- Molecular formula:
- C18H18N3O3PS
- IUPAC Name:
- O,O,S-tris(4-aminophenyl) thiophosphate
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test organisms
- Test organisms (species):
- other: activated sludge (mixed population of different mirco-organism)
Study design
- Water media type:
- freshwater
- Limit test:
- no
Results and discussion
Effect concentrations
- Dose descriptor:
- EC50
- Effect conc.:
- > 10 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
Applicant's summary and conclusion
- Conclusions:
- EC50 of the TS >10000 mg/L
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