Registration Dossier
Registration Dossier
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EC number: 211-617-1 | CAS number: 674-82-8
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: calculation method
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Acute toxicity to Daphnid
- Year:
- 2 003
- Bibliographic source:
- ECOSAR Program (v0.99); EPIWIN (v3.11)
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- ECOSAR Program (v0.99); EPIWIN (v3.11). Model compound class is neutral organics-acid. Physical-chemical inputs were default values.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- But-3-en-3-olide
- EC Number:
- 211-617-1
- EC Name:
- But-3-en-3-olide
- Cas Number:
- 674-82-8
- Molecular formula:
- C4H4O2
- IUPAC Name:
- 4-methylideneoxetan-2-one
Constituent 1
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- other: calculation
- Water media type:
- not specified
- Limit test:
- no
- Total exposure duration:
- 48 h
- Remarks on exposure duration:
- calculation assumption
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 418 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: calculation
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- EC50 was estimated to be 418 mg/l.
- Executive summary:
EC50 was estimated to be 418 mg/l.
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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