Registration Dossier
Registration Dossier
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EC number: 231-778-1 | CAS number: 7726-95-6
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- These data were compiled as part of the U.S. Environmental Protection Agency's ECOTOX database. In order to be included in this database, the study must report valid species, chemical information, chemical concentration, application rate associated with an observed effect, and the exposure duration.
Data source
Reference
- Reference Type:
- other: database of published studies and/or unpublished guideline studies
- Title:
- ECOTOX Database
- Author:
- EPA
- Year:
- 2 000
- Bibliographic source:
- Reference #344 Office of Pesticides Program, U.S. Environmental Protection Agency
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The data summary states that standard methods were used, but no experimental details are provided.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Bromine
- EC Number:
- 231-778-1
- EC Name:
- Bromine
- Cas Number:
- 7726-95-6
- Molecular formula:
- Br2
- IUPAC Name:
- dibromine
- Details on test material:
- - Name of test material (as cited in study report): Bromine
- Analytical purity: 100%
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Oncorhynchus mykiss (previous name: Salmo gairdneri)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 24 h
- Post exposure observation period:
- Not reported
Test conditions
- Hardness:
- Not reported
- Test temperature:
- Not reported
- pH:
- Not reported
- Dissolved oxygen:
- Not reported
- Salinity:
- Not reported
- Nominal and measured concentrations:
- The mean concentration was reported as 310 micrograms/L with a range of 280-250 micrograms/L.
- Reference substance (positive control):
- no
Results and discussion
Effect concentrations
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- ca. 310 µg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: 280-350 micrograms/L
Applicant's summary and conclusion
- Conclusions:
- A 24-hour LC50 in rainbow trout of 310 micrograms/L was reported.
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.
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