Registration Dossier
Registration Dossier
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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
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.
