Registration Dossier
Registration Dossier
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EC number: 209-520-4 | CAS number: 583-78-8
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: insufficient details provided
Data source
Reference
- Reference Type:
- publication
- Title:
- Acute Toxicity and Hatching Inhibition of Chlorophenols to Japanese Medaka, Oryzias latipes and Structure-Activity Relationships
- Author:
- Shigeoka,T., T. Yamagata, T. Minoda, and F. Yamauchi
- Year:
- 1 988
- Bibliographic source:
- J. Hyg. Chem. (Eisei Kagaku)34(4): 343-349 - Available from, as of December 31, 2008: http://cfpub.epa.gov/ecotox/quick_query.htm
Materials and methods
- Principles of method if other than guideline:
- not reported
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2,5-dichlorophenol
- EC Number:
- 209-520-4
- EC Name:
- 2,5-dichlorophenol
- Cas Number:
- 583-78-8
- Molecular formula:
- C6H4Cl2O
- IUPAC Name:
- 2,5-dichlorophenol
- Reference substance name:
- Phenol, 2,5-dichloro-
- IUPAC Name:
- Phenol, 2,5-dichloro-
- Test material form:
- not specified
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Oryzias latipes
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 4 d
Results and discussion
Effect concentrations
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 3 300 µg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: 95% CL (1900-3800 ug/L)
Applicant's summary and conclusion
- Conclusions:
- LC50 (acute to fish) - Oryzes latipes 3300 µg/L
The substance is classified Aqu.chronic 2 since the substance is of low biodegradibility.
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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