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EC number: 231-104-6 | CAS number: 7439-95-4
Toxicity to terrestrial plants
Administrative data
- Endpoint:
- toxicity to terrestrial plants: short-term
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: No guideline study, insufficient documentation, no relevant exposure for terrestrial plants (solution experiment).
Data source
Reference
- Reference Type:
- publication
- Title:
- Ecotoxicity of alternative deicers.
- Author:
- Joutti A., Schultz E., Pessala P., Nysten T., Hellsten P.
- Year:
- 2 003
- Bibliographic source:
- Journal of Soils and Sediments 3/4: 269-272.
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Allium cepa (onion) root elongation in eluate solutions.
- GLP compliance:
- no
Test material
- Reference substance name:
- Magnesium chloride
- EC Number:
- 232-094-6
- EC Name:
- Magnesium chloride
- Cas Number:
- 7786-30-3
- IUPAC Name:
- magnesium dichloride
- Details on test material:
- technical grade MgCl2 from Kemikaalimiehet Oy, Finland.
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test substrate
- Vehicle:
- no
Test organisms
- Species:
- Allium cepa
- Plant group:
- Dicotyledonae (dicots)
- Details on test organisms:
- fresh, small equal-sized bulbs of a commercial variety; outer scales removed
Study design
- Test type:
- other: root elongation
- Study type:
- laboratory study
- Substrate type:
- other: eluate dilutions
- Limit test:
- no
- Total exposure duration:
- 4 d
Test conditions
- Test temperature:
- room temperature (not reported with a value)
- pH:
- No data
- Moisture:
- no data
- Details on test conditions:
- 3-4 repliactes/treatment
- Nominal and measured concentrations:
- Nominal: 0.4% to 100% eluate concentrations in tap water
Results and discussion
Effect concentrations
- Species:
- Allium cepa
- Duration:
- 4 d
- Dose descriptor:
- EC50
- Effect conc.:
- 2 195 other: mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- element
- Remarks:
- magnesium
- Basis for effect:
- other: Root elongation
- Reported statistics and error estimates:
- EC50 derived by graphical interpolation
Applicant's summary and conclusion
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