Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 237-324-9 | CAS number: 13746-89-9
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Study period:
- 1994
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study was conducted according to an official guideline.
Data source
Reference
- Reference Type:
- other: ECHA disseminated dossier
- Title:
- No information
- Bibliographic source:
- ECHA disseminated dossier CAS 1314-23-4 query date 2014-09-17
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.2 (Acute Toxicity for Daphnia)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Zirconium dioxide
- EC Number:
- 215-227-2
- EC Name:
- Zirconium dioxide
- Cas Number:
- 1314-23-4
- IUPAC Name:
- 1314-23-4
Constituent 1
Test organisms
- Test organisms (species):
- Daphnia magna
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- EL50
- Effect conc.:
- > 100 other: % saturated solution (initial loading rate = 100 mg/L)
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
Applicant's summary and conclusion
- Executive summary:
In an 48-h acute toxicity study Daphnia magna were exposed to the read across substance zirconium dioxide. An EL50 of above 100 mg/L was determined.
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.
