Registration Dossier
Registration Dossier
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EC number: 423-730-5 | CAS number: 250688-43-8
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1997
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 977
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- Version / remarks:
- 92/69/EEC, C2
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 423-730-5
- EC Name:
- -
- Cas Number:
- 250688-43-8
- Molecular formula:
- C18H15N3Na2O9S3
- IUPAC Name:
- Disodium 4-amino-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-1-sulfonate
- Test material form:
- solid: particulate/powder
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- not specified
- Water media type:
- not specified
- Total exposure duration:
- 48 h
Test conditions
- Hardness:
- 270 mg CaCO3/L
- Reference substance (positive control):
- not specified
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Remarks on result:
- not measured/tested
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Remarks on result:
- not measured/tested
- Duration:
- 48 h
- Dose descriptor:
- EC100
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Remarks on result:
- not measured/tested
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- not specified
- Remarks on result:
- not measured/tested
- Details on results:
- %Concentration loss over test: 0 ...
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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