Registration Dossier
Registration Dossier
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EC number: 910-427-2 | CAS number: -
Toxicity to terrestrial arthropods
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to terrestrial arthropods: long-term
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- REPORTING FORMAT FOR THE ANALOGUE APPROACH
1. HYPOTHESIS FOR THE ANALOGUE APPROACH
The target substance Zinc peroxide and the source substances Zinc oxide, Zinc Chloride, Zinc sulfate, Zinc nitrate are ionic and consist of the Zinc2+ cation and the respective anion.
The read-across is based on the assumption that the zinc cation (as measure for dissolved zinc species) is the determining factor for (eco)toxicity.
For further details, see Justification for read-across attached to IUCLID chapter 13
2. SOURCE AND TARGET CHEMICAL(S) (INCLUDING INFORMATION ON PURITY AND IMPURITIES)
See Justification for read-across attached to IUCLID chapter 13
3. ANALOGUE APPROACH JUSTIFICATION
See Justification for read-across attached to IUCLID chapter 13
4. DATA MATRIX
See Justification for read-across attached to IUCLID chapter 13 - Reason / purpose for cross-reference:
- read-across: supporting information
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Duration:
- 4 wk
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 14.6 - <= 1 000 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- other: Zn2+
- Basis for effect:
- reproduction
Reference
Description of key information
Twenty-four NOEC/EC10 values are available for toxicity of Zn to reproduction of terrestrial arthropods, representing 2 different species and ranging between 14.6 and 1000 mg Zn/kg dw (both for Folsomia candida).
Key value for chemical safety assessment
Additional information
In total 61 individual high quality NOEC or EC10 values for reproduction of terrestrial invertebrates are selected for the PNEC derivation. Twenty-four NOEC/EC10 values are available for toxicity of Zn to reproduction of terrestrial arthropods, representing 2 different species and ranging between 14.6 and 1000 mg Zn/kg dw (both for Folsomia candida; Lock and Janssen, 2001c and Lock et al., 2003).
All toxicity data are expressed as added Zn concentration in soil, based on either the nominal dose added or on measured, background corrected soil Zn concentrations.
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.
