Registration Dossier
Registration Dossier
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EC number: 202-860-4 | CAS number: 100-52-7
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Scientifically acceptable publication
Data source
Reference
- Reference Type:
- publication
- Title:
- Results of the damaging effects of water pollutants on Daphnia magna.
- Author:
- Bringmann G. and Kuhn R.
- Year:
- 1 977
- Bibliographic source:
- Zeitschrift fuer Wasser und Abwasser Forschung, 10: 161-166.
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: DIN 38412
- GLP compliance:
- no
Test material
- Reference substance name:
- Benzaldehyde
- EC Number:
- 202-860-4
- EC Name:
- Benzaldehyde
- Cas Number:
- 100-52-7
- Molecular formula:
- C7H6O
- IUPAC Name:
- benzaldehyde
Constituent 1
Test solutions
- Details on test solutions:
- - Test substance was dissolved in tap water and stirred with a magnetic stirrer until substance appeared to be clear
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- - Origin: wild Daphnia population that was bread and cultured in tap water
- Breeding of animals: the 30 largest mother-animals were selected for breeding
- Feeding: animals were fed with Chlorella vulgaris
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 24 h
Test conditions
- Hardness:
- 16° (German)
- Test temperature:
- 20 - 22 °C
- pH:
- 7.6 - 7.7
- Details on test conditions:
- TEST MEDIUM
- Test medium: tap water free from chlorine, saturated with oxygen
Results and discussion
Effect concentrations
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- 50 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
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.
