Registration Dossier
Registration Dossier
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EC number: 264-697-5 | CAS number: 64131-85-7
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 994
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- Deviations:
- not applicable
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- O,O,O-tris(4-nitrophenyl) thiophosphate
- EC Number:
- 264-697-5
- EC Name:
- O,O,O-tris(4-nitrophenyl) thiophosphate
- Cas Number:
- 64131-85-7
- Molecular formula:
- C18H12N3O9PS
- IUPAC Name:
- O,O,O-tris(4-nitrophenyl) phosphorothioate
- Test material form:
- not specified
Constituent 1
Test organisms
- Test organisms (species):
- activated sludge, industrial
Study design
- Water media type:
- freshwater
- Total exposure duration:
- 30 min
Results and discussion
Effect concentrations
- Duration:
- 30 min
- Dose descriptor:
- EC50
- Effect conc.:
- > 10 000 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- test mat.
- Basis for effect:
- inhibition of total respiration
- Remarks:
- respiration rate
Any other information on results incl. tables
Testmaterial indicates no degradation of respiration activatd sludge
by all tested concentration.
There is no toxicity about aerobic bacteria and microorganism in sewage plant.
Applicant's summary and conclusion
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.
