Registration Dossier
Registration Dossier
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EC number: 285-206-0 | CAS number: 85049-36-1
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
- Study period:
- From october to november 2010
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Fatty acids, C16-18 and C18-unsatd., Et esters
- EC Number:
- 285-206-0
- EC Name:
- Fatty acids, C16-18 and C18-unsatd., Et esters
- Cas Number:
- 85049-36-1
- Molecular formula:
- UVCB substance, not univocal molecular formula available
- IUPAC Name:
- UVCB substance, no IUPAC name available
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- Liquid/Liquid extraction with dichloromethan
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- 1 mg/L with ethanol as vehicule
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- BREEDING CONDITIONS :
- in lab
- Temperature : 20 °C +/- 2 °C
- Brightness : day/night cycle 16h/8h
- Freshwater
Study design
- Test type:
- semi-static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 20 °C +/- 2 °C
- pH:
- 7.8 +/- 0.2
- Dissolved oxygen:
- > 3 mg/L
- Details on test conditions:
- In the dark
- Reference substance (positive control):
- yes
- Remarks:
- Potassium dichromate
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 321.9 µg/L
- Nominal / measured:
- meas. (geom. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Results with reference substance (positive control):
- 1.24 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- Fatty acid ethyl ester is non toxic to daphnies at solubility limit.
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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