Registration Dossier
Registration Dossier
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EC number: 251-607-4 | CAS number: 33629-47-9
Long-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- long-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EPA OPP 72-4 (Fish Early Life-Stage and Aquatic Invertebrate Life-Cycle Studies)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 4-(tert-butyl)-N-sec-butyl-2,6-dinitroaniline
- EC Number:
- 251-607-4
- EC Name:
- 4-(tert-butyl)-N-sec-butyl-2,6-dinitroaniline
- Cas Number:
- 33629-47-9
- Molecular formula:
- C14H21N3O4
- IUPAC Name:
- N-sec-butyl-4-tert-butyl-2,6-dinitroaniline
- Reference substance name:
- Xylene
- EC Number:
- 215-535-7
- EC Name:
- Xylene
- Cas Number:
- 1330-20-7
- Molecular formula:
- C8H10
- IUPAC Name:
- m-xylene
Constituent 1
impurity 1
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- flow-through
- Total exposure duration:
- 21 d
Test conditions
- Hardness:
- 180 mg/L (Total hardness as CaCO3)
- Test temperature:
- 20°C
- pH:
- 7.7 to 9.1
- Dissolved oxygen:
- 7.8 to 8.5 mg/L
- Conductivity:
- 500 µS/cm
- Nominal and measured concentrations:
- Nominal test concentrations: 19, 38, 75, 150 and 300 µg/L
Mean measured concentrations: 10, 17, 37, 79 and 150 µg a.i./L
Results and discussion
Effect concentrationsopen allclose all
- Key result
- Duration:
- 21 d
- Dose descriptor:
- EC50
- Effect conc.:
- ca. 130 µg/L
- Basis for effect:
- mortality
- Key result
- Duration:
- 21 d
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 79 µg/L
- Basis for effect:
- mortality
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.
