Registration Dossier
Registration Dossier
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EC number: 201-332-0 | CAS number: 81-19-6
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- publication
- Title:
- Toxicity of aryl- and benzylhalides to Daphnia magna and classification of their mode of action based on quantitative structure-activity relationship
- Author:
- Marchini, Silvia; Passerini, Laura; Hoglund Marrilynn D.; Pino Anna; Nendza, Monika
- Year:
- 1 999
- Bibliographic source:
- Environmental Toxicology and Chemistry (1999), 18(12), 2759-2766
Materials and methods
- Principles of method if other than guideline:
- Immobilisation test.
Test material
- Reference substance name:
- α,α,2,6-tetrachlorotoluene
- EC Number:
- 201-332-0
- EC Name:
- α,α,2,6-tetrachlorotoluene
- Cas Number:
- 81-19-6
- Molecular formula:
- C7H4Cl4
- IUPAC Name:
- 1,3-dichloro-2-(dichloromethyl)benzene
- Details on test material:
- Source: Fluka AG (Buchs, Switzerland)
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- Age of test organisms: less than 24 hours
Study design
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 21.5 °C
- pH:
- 8.3
- Details on test conditions:
- 16:8 hours light:dark
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.39 mg/L
- Remarks on result:
- other: 0.35 - 0.44
Applicant's summary and conclusion
- Conclusions:
- With the indicated test data the EC50 of 2,6-dichlorobenzal chloride to Daphnia magna under the conditions of the test was estimated to be 0.39 mg/L.
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