Registration Dossier
Registration Dossier
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EC number: 217-682-2 | CAS number: 1929-82-4
Toxicity to soil microorganisms
Administrative data
- Endpoint:
- toxicity to soil microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 994
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- BBA Part VI, 1-1
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Nitrapyrin
- EC Number:
- 217-682-2
- EC Name:
- Nitrapyrin
- Cas Number:
- 1929-82-4
- Molecular formula:
- C6H3Cl4N
- IUPAC Name:
- 2-chloro-6-(trichloromethyl)pyridine
- Details on test material:
- - Name of test material (as cited in study report): nitrapyrin
- Analytical purity: pure substance
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- 0, 14 and 28 days
Test substrate
- Details on preparation and application of test substrate:
- Application rates:
Clay sand - 10 mg product/kg dry soil (= 7.5 kg/ha)
Loamy sand/sandy loam - 20 mg product/kg dry soil (= 15 kg/ha)
The application rates are based on an incorporation depth of 5 cm and a soil density of 1 .5 g/cm3
Test organisms
- Test organisms (inoculum):
- soil
Study design
- Total exposure duration:
- 28 d
Test conditions
- Test temperature:
- 20°c (± 2°C)
- Moisture:
- 50 5 whc
- Details on test conditions:
- two loamy sand soils
control without lucern meal, control with 0.5 % lucern meal and with 0.5 % lucern meal plus test substance
Results and discussion
Effect concentrations
- Duration:
- 28 d
- Dose descriptor:
- other:
- Effect conc.:
- > 75.3 - < 85.4 other: %
- Nominal / measured:
- estimated
- Basis for effect:
- other: inhibition of the nitrification process
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.
