Registration Dossier
Registration Dossier
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EC number: 201-204-4 | CAS number: 79-41-4
Toxicity to soil macroorganisms except arthropods
Administrative data
- Endpoint:
- toxicity to soil macroorganisms except arthropods
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Does not meet criteria of current guidelines
Data source
Reference
- Reference Type:
- publication
- Title:
- Structural effect of some organic compounds on soil organisms and citrus seedlings grown in an old citrus soil.
- Author:
- Moje W, Martin JP, Baines RC
- Year:
- 1 957
- Bibliographic source:
- Agricultural and Food Chemistry Vol. 5: 32-36
Materials and methods
- Principles of method if other than guideline:
- other: see remark
- GLP compliance:
- no
Test material
- Details on test material:
- Methacrylic acid, purity: no data
Constituent 1
Test organisms
- Test organisms (species):
- other: other soil dwelling microorganisms: Bacteria, Actinomycetes
Study design
- Study type:
- laboratory study
- Substrate type:
- other: loam
- Total exposure duration:
- 7 d
Test conditions
- Details on test conditions:
- Old citrus soil (loam) were exposed to 2.5, 25, 250 and 1000 ppm methacrylic acid (one replicate of each concentration, one control) for 7 days at room temperature (20 - 25 °C).
- Nominal and measured concentrations:
- 2.5, 25, 250 and 1000 ppm
Results and discussion
- Details on results:
- At a concentration of 1000 ppm Methacrylic acid, presumably < 85 % of bacteria and actinomycetes as compared to the control were killed.
Applicant's summary and conclusion
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