Registration Dossier
Registration Dossier
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EC number: 202-440-0 | CAS number: 95-68-1
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1982
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: reliable literature source , test duration 24 hours
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 982
- Report date:
- 1981
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: DIN38412 Teil 11 (Normentwurf)
- Deviations:
- not specified
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2,4-xylidine
- EC Number:
- 202-440-0
- EC Name:
- 2,4-xylidine
- Cas Number:
- 95-68-1
- Molecular formula:
- C8H11N
- IUPAC Name:
- 2,4-dimethylaniline
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Details on test solutions:
- Prior to test a clear solution of the test item was achieved by magnetic stirrer.
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- specific strain: Daphnia magna Straus IRCHA.
Daphnia used for testing were max. 24 hours of age.
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
Test conditions
- Hardness:
- 16 ° d.H.
- Test temperature:
- 20 °C
- pH:
- 7.6 - 7.7
- Dissolved oxygen:
- saturated solution
- Reference substance (positive control):
- yes
- Remarks:
- Potassiumdichromate EC50=1,3 mg/l
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 16 - < 650 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Duration:
- 24 h
- Dose descriptor:
- EC0
- Effect conc.:
- 0.39 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Duration:
- 24 h
- Dose descriptor:
- EC100
- Effect conc.:
- > 100 - < 200 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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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