Registration Dossier
Registration Dossier
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EC number: 248-652-7 | CAS number: 27774-13-6
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Study period:
- 1980
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- significant methodological deficiencies
- Remarks:
- (i) test substance not moistened with water before application to skin, (ii) no information on housing and feeding conditions given, (iii) no clinical examinations, no pathology reported
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 402 (Acute Dermal Toxicity)
- Deviations:
- no
- GLP compliance:
- no
- Test type:
- standard acute method
- Limit test:
- no
Test material
- Reference substance name:
- Vanadium oxide sulphate
- EC Number:
- 248-652-7
- EC Name:
- Vanadium oxide sulphate
- Cas Number:
- 27774-13-6
- Molecular formula:
- VOSO4
- IUPAC Name:
- oxovanadium(2+) sulfate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- no data
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- no further information
Administration / exposure
- Type of coverage:
- occlusive
- Vehicle:
- unchanged (no vehicle)
- Details on dermal exposure:
- - The area of the animal was covered with gauze and dental dam. The entire midsection was then wrapped in elastoplast tape.
- The test substance was removed after 24h of exposure. - Duration of exposure:
- 24 hours
- Doses:
- 3150 mg/kg bw, 3970 mg/kg bw, 5000 mg/kg bw
- No. of animals per sex per dose:
- 5
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- No necropsy of survivors were not performed, other examinations were not performed - Statistics:
- LD50 values were determined using the moving average method of Weil.
Weil, C.S. (1952) Tables for convenient calculation of median effective dose (LD50 or ED50) and instructions in their use. Biometrics 8: 249-263
Results and discussion
Effect levels
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- 4 450 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- other: confidence limits could not be calculated due to lack of partial mortalities
- Mortality:
- Dose 3150 mg/kg bw.: 0 animals
Dose 3970 mg/kg bw.: 0 animals
Dose 5000 mg/kg bw.: 3 animals - Clinical signs:
- other: no data
- Gross pathology:
- no data
- Other findings:
- no data
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- LD50 (female, rabbit): 4450 mg/kg bw (vanadium oxide sulphate)
According to the EC-Regulation 1272/2008 and subsequent regulations, vanadium oxide sulphate should not be classified.
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