Registration Dossier
Registration Dossier
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EC number: 201-757-1 | CAS number: 87-61-6
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge nitrification inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- publication
- Title:
- A database of chemical toxicity to environmental bacteria and ist use in interspecies comparisons and correlations
- Author:
- Blum DJW and RE Speece
- Year:
- 1 991
- Bibliographic source:
- Research Journal WPCF 63(3): 198-207
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- ISO 9509 (Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 1,2,3-trichlorobenzene
- EC Number:
- 201-757-1
- EC Name:
- 1,2,3-trichlorobenzene
- Cas Number:
- 87-61-6
- Molecular formula:
- C6H3Cl3
- IUPAC Name:
- 1,2,3-trichlorobenzene
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Nitrosomonas sp.
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 24 h
Test conditions
- Test temperature:
- 25°C
- pH:
- 6.5-8.0
- Details on test conditions:
- - Test vessel: 125 mL serum bottle
- Liquid Volume: 50 mL
- Shaking: yes
Results and discussion
Effect concentrations
- Duration:
- 24 h
- Dose descriptor:
- IC50
- Effect conc.:
- 96 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- other: Ammonia use
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.
