Registration Dossier
Registration Dossier
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EC number: 205-771-9 | CAS number: 150-78-7
Toxicity to aquatic plants other than algae
Administrative data
- Endpoint:
- toxicity to aquatic plants other than algae
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: This study is poorly described. No information was available about the test substance and the test condition.
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- publication
- Title:
- Some effects of polyphenols on aquatic plants. I : Toxicity of phenols in aquatic plants
- Author:
- Stom D.I., Richard R
- Year:
- 1 981
- Bibliographic source:
- Bull. Environm. Contam. Toxicol., 27 : 332-337
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Inhibition of plant multiplication.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 1,4-dimethoxybenzene
- EC Number:
- 205-771-9
- EC Name:
- 1,4-dimethoxybenzene
- Cas Number:
- 150-78-7
- Molecular formula:
- C8H10O2
- IUPAC Name:
- 1,4-dimethoxybenzene
- Details on test material:
- No data
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- No data
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Lemna minor
- Details on test organisms:
- TEST ORGANISM
- Common name: Lemna minor
- Strain:
- Source (laboratory, culture collection): no data
- Age of inoculum (at test initiation): no data
- Method of cultivation: tests organisms were cultivated as published by Werner (1967); L. minor was cultivated in at 24°C in petri dishes (20 cm diameter), at 800 lux and a light/dark regime of 9:15H.
ACCLIMATION: no data
Study design
- Test type:
- other: The media were exchange after 24h; no more indication
- Water media type:
- freshwater
- Total exposure duration:
- 12 d
- Post exposure observation period:
- No data
Test conditions
- Hardness:
- No data
- Test temperature:
- No data
- pH:
- No data
- Dissolved oxygen:
- No data
- Salinity:
- No data
- Nominal and measured concentrations:
- No data
- Details on test conditions:
- No data
- Reference substance (positive control):
- not specified
Results and discussion
Effect concentrations
- Duration:
- 12 d
- Dose descriptor:
- EC50
- Effect conc.:
- 103.6 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Details on results:
- No details
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.
