Registration Dossier
Registration Dossier
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EC number: 200-076-7 | CAS number: 51-03-6
Toxicity to soil microorganisms
Administrative data
- Endpoint:
- toxicity to soil microorganisms
- 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 guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 216 (Soil Microorganisms: Nitrogen Transformation Test)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 217 (Soil Microorganisms: Carbon Transformation Test)
- GLP compliance:
- yes
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
Sampling and analysis
- Analytical monitoring:
- no
Test organisms
- Test organisms (inoculum):
- other: aerobic microorganisms
Study design
- Total exposure duration:
- 28 d
Test conditions
- Test temperature:
- 20 ± 2°C
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 28 d
- Dose descriptor:
- NOEC
- Effect conc.:
- > 13.6 mg/kg soil dw
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- other: not specified
- Duration:
- 28 d
- Dose descriptor:
- EC50
- Effect conc.:
- > 13.6 mg/kg soil dw
- Nominal / measured:
- not specified
- Conc. based on:
- not specified
- Basis for effect:
- other: not specified
Any other information on results incl. tables
No statistically significant effects could be observed for the short-term
respiration and the nitrogen turnover at the 1-fold and 10-fold concentrations
of PBO 28 days after test initiation.
Based on the results of the summarised study Piperonyl Butoxide has no
long-term effects on the nitrogen turnover and the short-term respiration
in a field soil tested up to to 9750 g of PBO/ha (corresponding to 10-fold
application rate) 28 days after application.
Applicant's summary and conclusion
- Conclusions:
- Based on the results of the summarised study Piperonyl Butoxide has no long-term effects on the nitrogen turnover and the short-term respiration in a field soil tested up to to 9750 g of PBO/ha (corresponding to 10-fold application rate) 28 days after application.
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