Registration Dossier
Registration Dossier
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EC number: 200-076-7 | CAS number: 51-03-6
Toxicity to terrestrial arthropods
Administrative data
- Endpoint:
- toxicity to terrestrial arthropods: short-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2006
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other:
- Principles of method if other than guideline:
- ESCORT I Guidance Document (Barrett et al., 1994), ESCORT II Guidance Document (Candolfi et al., 2001) and IOBC (Blümel et al., 2000) modified according to IOBC (Overmeer, 1988 and Oomen, 1988)
- GLP compliance:
- yes
- Application method:
- spray
Test material
- Reference substance name:
- 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether
- EC Number:
- 200-076-7
- EC Name:
- 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether
- Cas Number:
- 51-03-6
- Molecular formula:
- C19H30O5
- IUPAC Name:
- 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether
Constituent 1
Test substrate
- Vehicle:
- yes
- Details on preparation and application of test substrate:
- Deionised water
Test organisms
- Test organisms (species):
- Typhlodromus pyri
- Animal group:
- Acari (soil-dwelling predatory mite)
Study design
- Study type:
- laboratory study
- Remarks:
- Mortality: 7 days; fertility test: 14 days
- Post exposure observation period:
- After application when spray deposits had dried the test units were assembled. Ten protonymphs were placed with a fine bristled brush into each replicate units.Mortality was assessed after 3 and 7 days. Reproduction assessment were carried out 10, 12 and 14 days after treatment.
Test conditions
- Test temperature:
- 25+/-2°C (Actual: 23.5 – 27.5°C). The temperature of 27.5°C occurred for 1 hour on two separate days.
- Humidity:
- 75 +/-15% (Actual: 60 – 76 %)
- Photoperiod and lighting:
- 16 h light/ 8 h darkness
Results and discussion
Effect concentrations
- Duration:
- 7 d
- Dose descriptor:
- LR50
- Effect conc.:
- 386.8 g/ha
- Remarks on result:
- other: 325.4-453.1 g/ha
- Details on results:
- the substance caused no significant effects on mortality up to and including an application rate of 126.8 g/ha.
The reproduction was no statistically significantly reduced up to and including an application rate of 318.2 g/ha. The ER50 could not be calculated because none of rates caused reduction on reproduction above 24.7%.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The 7-day LR502 was calculated to be 386.8 g/ha.
The ER50 could not be calculated because none of rates caused reduction on reproduction above 24.7%.
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