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EC number: 204-465-2 | CAS number: 121-33-5
Toxicity to soil macroorganisms except arthropods
Administrative data
- Endpoint:
- toxicity to soil macroorganisms except arthropods: long-term
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Study seems to be well conducted, but initial concentration and exposure variation during a 6 week test not measured.
Data source
Reference
- Reference Type:
- publication
- Title:
- No information
- Author:
- HARTENSTEIN R
- Year:
- 1 982
- Bibliographic source:
- Soil Biol Biochem, 14(6), 595-599
Materials and methods
- Principles of method if other than guideline:
- no data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Vanillin
- EC Number:
- 204-465-2
- EC Name:
- Vanillin
- Cas Number:
- 121-33-5
- Molecular formula:
- C8H8O3
- IUPAC Name:
- 1-butoxypropan-2-ol
- Details on test material:
- no data
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test organisms
- Test organisms (species):
- Eisenia fetida
- Animal group:
- annelids
- Details on test organisms:
- no data
Study design
- Study type:
- laboratory study
- Substrate type:
- other: activated sludge
- Total exposure duration:
- 42 d
Test conditions
- Test temperature:
- 24°C
- Details on test conditions:
- Substrate : activated sludge (ca. 13 % solids) placed over a ca. 4 mm depth of silt loam in a Petri dish.
The amount of substance tested was mixed with the activated sludge.
There were 2 hatchlings per concentration and 5 replicates per concentration. - Reference substance (positive control):
- not specified
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 42 d
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 10 000 mg/kg soil dw
- Basis for effect:
- mortality
- Duration:
- 42 d
- Dose descriptor:
- LOEC
- Effect conc.:
- ca. 40 000 mg/kg soil dw
- Basis for effect:
- mortality
- Details on results:
- The mortality at LOEC was 80 %.
Applicant's summary and conclusion
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