Registration Dossier
Registration Dossier
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: 235-043-6 | CAS number: 12060-58-1
Endpoint summary
Administrative data
Description of key information
Samarium chloride at all concentrations up to 1% used in the diet produced no histopathological changes in any of the organs studied.
Key value for chemical safety assessment
Repeated dose toxicity: via oral route - systemic effects
Link to relevant study records
- Endpoint:
- sub-chronic toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method B.30 (Chronic Toxicity Studies)
- GLP compliance:
- not specified
- Species:
- rat
- Strain:
- not specified
- Sex:
- male/female
- Route of administration:
- oral: feed
- Vehicle:
- not specified
- Analytical verification of doses or concentrations:
- not specified
- Duration of treatment / exposure:
- The chronic toxicity of samarium chlorides was determined by including 0.01, 0.l and 1% of the compound in the diet and feeding it over a period of 12 weeks to 3 groups of rats.
- Remarks:
- Doses / Concentrations:
0.01 %
Basis:
nominal in diet - Remarks:
- Doses / Concentrations:
0.1 %
Basis:
nominal in diet - Remarks:
- Doses / Concentrations:
1%
Basis:
nominal in diet - No. of animals per sex per dose:
- 6 per sex and dose
- Control animals:
- yes
- Observations and examinations performed and frequency:
- Observations were made of the following: total erythrocytes, total leucocytes, differential cell count, haemoglobin, haematocrit and body weight.
- Sacrifice and pathology:
- At the conclusion of the study the following tissues were examined histologically: heart, lung, liver, kidney, pancreas, spleen, adrenal and small intestine.
- Histopathological findings: non-neoplastic:
- no effects observed
- Histopathological findings: neoplastic:
- no effects observed
- Details on results:
- Samarium chloride at all concentrations up to 1% used in the diet produced no histopathological changes in any of the organs studied.
- Dose descriptor:
- NOAEL
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- other: 1% in feed over a period of 12 weeks
- Remarks on result:
- not determinable
- Remarks:
- no NOAEL identified
- Critical effects observed:
- not specified
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Study duration:
- chronic
- Species:
- rat
Repeated dose toxicity: inhalation - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: inhalation - local effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: dermal - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: dermal - local effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Test material is same like Samarium chloride.
Justification for classification or non-classification
There is conclusive data available which is not sufficient for classification.
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.
