Registration Dossier
Registration Dossier
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EC number: 225-102-4 | CAS number: 4659-45-4
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:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Qualifier:
- according to guideline
- Guideline:
- other: Commission Directive 92/69/EEC Annex Part C Method C.2. Acute Toxicity for Daphnia Adopted July 31, 1992
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 2,6-dichlorobenzoyl chloride
- EC Number:
- 225-102-4
- EC Name:
- 2,6-dichlorobenzoyl chloride
- Cas Number:
- 4659-45-4
- Molecular formula:
- C7H3Cl3O
- IUPAC Name:
- 2,6-dichlorobenzoyl chloride
- Test material form:
- other: slightly yellowish liquid
- Details on test material:
- Purity: 99.7 %
Constituent 1
Test organisms
- Test organisms (species):
- Daphnia magna
Test conditions
- Test temperature:
- groups: 20.1-21.0
controls: 19.7-21.0 - pH:
- groups: 7.7-8.0
controls: 7.8-8.0 - Nominal and measured concentrations:
- Nominal: 3.125, 6.25, 12.5, 25, 50, 100 mg/L and the control (0 mg/L)
Measured: The test substance concentration determined analytically were in the range of 85%- 94% of the theoretical value.
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 70.7 mg/L
Applicant's summary and conclusion
- Conclusions:
- The EC50 of the test substance after 48 hours was 70.7 mg/L under the conditions of the test.
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