Registration Dossier
Registration Dossier
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EC number: 402-670-3 | CAS number: 106797-53-9 DAROCUR (R) 2959; DAROCUR 2959
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
- Study period:
- no data
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Test was conducted according to OECD 202, Directive 84/449/EEC, C.2 and compliant with GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- EC Number:
- 402-670-3
- EC Name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
- Cas Number:
- 106797-53-9
- Molecular formula:
- C12H16O4
- IUPAC Name:
- 2-hydroxy-4'-hydroxyethoxy-2-methylpropiophenone
Constituent 1
Test organisms
- Test organisms (species):
- other aquatic crustacea: DM
Study design
- Test type:
- static
- Total exposure duration:
- 48 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- 975 mg/L
- Conc. based on:
- test mat.
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 615 mg/L
- Conc. based on:
- test mat.
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 250 mg/L
- Conc. based on:
- test mat.
Any other information on results incl. tables
Comments:
No observed effect concentration after 24h and 48h: 250 mg/L
Water hardness: 19.1
Applicant's summary and conclusion
- Conclusions:
- The ecotoxicity data indicates the substance is non-toxic to daphnia.
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