Registration Dossier
Registration Dossier
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EC number: 208-008-8 | CAS number: 505-32-8
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: Guideline study, however no analytical monitoring ot the test substance was carried out during or at the termination of the test.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- Version / remarks:
- Cited as Directive 84/449/EEC, C.2 (Acute toxicity for Daphnia)
- GLP compliance:
- no
Test material
- Reference substance name:
- 3,7,11,15-tetramethylhexadec-1-en-3-ol
- EC Number:
- 208-008-8
- EC Name:
- 3,7,11,15-tetramethylhexadec-1-en-3-ol
- Cas Number:
- 505-32-8
- Molecular formula:
- C20H40O
- IUPAC Name:
- 3,7,11,15-tetramethylhexadec-1-en-3-ol
- Details on test material:
- - Name of test material (as cited in study report): 3,7,11,15-Tetramethyl-1-hexadecen-3-ol (Isophytol)
Purity: no data
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
- Method: Test performed using Tween 80 was used a solubilizer, 0.002 - 0.2 mg/l.
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 18-22 °C
- pH:
- 7.66 - 7.73
- Dissolved oxygen:
- 7.6 - 7.8 mg/l
- Nominal and measured concentrations:
- Nominal test concentrations: 0, 0.01, 0.02, 0.04, 0.08, 0.1, 0.2, 0.4, 0.8, and 1.0 mg/l
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 48 h
- Dose descriptor:
- EC0
- Effect conc.:
- 0.08 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.2 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- EC100
- Effect conc.:
- 0.8 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
Any other information on results incl. tables
RESULTS (concentrations in mg/l)
/ 24 h / 48 h /
EC0 / 0.08 / 0.08 /
EC50 / 0.65 / 0.2 /
EC100 / > 2 / 0.8 /
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.
