Registration Dossier
Registration Dossier
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EC number: 402-860-6 | CAS number: 110553-27-0 CG 25-1320; IRGANOX 1520; TK 12229/1
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:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Body responsible for the test
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- Body responsible for the test
- IUPAC Name:
- Body responsible for the test
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- Identity and concentration of auxiliary solvent for dispersal: 1 g of the substance was dissolved in and made up to 10 mL with DMF. This solution was diluited to a concentration of 100 mg/l with water containing 2.3 mg/l Alkylphenol-polyglycolether
Test organisms
- Test organisms (species):
- other aquatic crustacea: DM
Study design
- Test type:
- not specified
- Water media type:
- not specified
- Limit test:
- no
- Total exposure duration:
- 24 h
Test conditions
- Hardness:
- 240 mg CaCO3/L
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- EC100
- Effect conc.:
- > 5.5 mg/L
- Duration:
- 24 h
- Dose descriptor:
- EC0
- Effect conc.:
- < 0.5 mg/L
Any other information on results incl. tables
The immobility of most daphnias was affected by deposits of the test substance on their body. Therefore EC50 could not be determinated.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- EC0 < 0.5 mg/L (24h)
EC100 > 5.5 mg/L (24h)
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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