Registration Dossier
Registration Dossier
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EC number: 255-259-4 | CAS number: 41200-97-9
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Study period:
- No data
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: No sufficient information are provided in the report to assess the reliability of this study.
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
- Principles of method if other than guideline:
- No data
- GLP compliance:
- no
Test material
- Reference substance name:
- 1,5-dichloro-2-(1-methylethoxy)-4-nitrobenzene
- EC Number:
- 255-259-4
- EC Name:
- 1,5-dichloro-2-(1-methylethoxy)-4-nitrobenzene
- Cas Number:
- 41200-97-9
- Molecular formula:
- C9H9Cl2NO3
- IUPAC Name:
- 1,5-dichloro-2-nitro-4-(propan-2-yloxy)benzene
- Test material form:
- not specified
- Details on test material:
- Dichloro 2,4 isopropoxy 5 nitrobenzène
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
No data
Sampling and analysis
- Analytical monitoring:
- not specified
- Details on sampling:
- No data
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- A specific volume of the stock solution (prepared at 100 g/L in methanol) was added in 100 mL of dilution water (maximum amount of organic solvent: 0.01%). Then, the product is dispersed 30 min by ultrasons, filtered (0.2 µm) and the filtrat is used for the study
Test organisms
- Details on test organisms:
- Daphnid
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 24 h
- Remarks on exposure duration:
- none
- Post exposure observation period:
- No data
Test conditions
- Hardness:
- No data
- Test temperature:
- No data
- pH:
- No data
- Dissolved oxygen:
- No data
- Salinity:
- Not applicable
- Nominal and measured concentrations:
- Nominal concentration: 10 mg/L
- Details on test conditions:
- No data
- Reference substance (positive control):
- yes
- Remarks:
- potassium dichromate
Results and discussion
Effect concentrations
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Remarks on result:
- other: > limit of solubility
- Details on results:
- Not toxic at the saturation solution (< 10 mg/L)
- Results with reference substance (positive control):
- - Results with reference substance valid? yes
EC50 (24h) = 1.5 mg/L - Reported statistics and error estimates:
- None
Any other information on results incl. tables
None
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Not toxic at the saturation solution (24h-EC50 > limit of solubility)
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.
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