Registration Dossier
Registration Dossier
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EC number: 273-794-1 | CAS number: 69029-48-7 Product from the pH-adjustment of indium-rich solutions causing the precipitation of indium, ammonium and cadmium hydroxides and sulfates and zinc sulfate.
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- other: software
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
- Principles of method if other than guideline:
- Acute toxicity of UVCB substance was determined by classifying based on Mixture rules from EU CLP (tier 2=summation of classified components to derive Hazard class) and back calculation to the corresponding L(E)C50 range
- GLP compliance:
- no
- Remarks:
- equivalent quality assurance
Test material
- Reference substance name:
- Indium, cake
- EC Number:
- 273-794-1
- EC Name:
- Indium, cake
- Cas Number:
- 69029-48-7
- IUPAC Name:
- Insoluble indium-containing residue after precipitation of indium bearing solutions
Constituent 1
Test animals
- Species:
- other: standard species relevant to acute toxicity classification
Results and discussion
Effect levels
- Key result
- Dose descriptor:
- other: ATE (acute toxicity estimate)
- Effect level:
- > 300 - <= 2 000 mg/kg bw
- Based on:
- other: dissolved elements
- Remarks on result:
- not measured/tested
- Remarks:
- prediction
Any other information on results incl. tables
According to MeClas, the substance (boundary composition) is classified as Acute toxicity Oral Category 4 - H302.
Based on this result, the related criteria provided the estimated value for acute toxicity-oral (Acute Toxicity Point Estimate) (see EU CLP Guidance Annex I Table 3.1.2): 500 mg/kg bodyweight.
Applicant's summary and conclusion
- Interpretation of results:
- Category 4 based on GHS criteria
- Conclusions:
- Good quality study that can be used to derive classification of the UVCB substance and predict hazard.
- Executive summary:
The study provided a conservative estimate of the acute oral toxicity: only the boundary composition has a classification acute oral cat 4
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