Registration Dossier
Registration Dossier
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EC number: 251-073-2 | CAS number: 32509-66-3
Acute Toxicity: inhalation
Administrative data
- Endpoint:
- acute toxicity: inhalation
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Short notice without any information only
Data source
Reference
- Reference Type:
- other: Information letter
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
- Principles of method if other than guideline:
- no description of study design available
- GLP compliance:
- not specified
- Test type:
- other: no information
Test material
- Reference substance name:
- Ethylene bis[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butyrate]
- EC Number:
- 251-073-2
- EC Name:
- Ethylene bis[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butyrate]
- Cas Number:
- 32509-66-3
- Molecular formula:
- C50H66O8
- IUPAC Name:
- 2-{[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butanoyl]oxy}ethyl 3,3-bis(3-tert-butyl-4-hydroxyphenyl)butanoate
- Test material form:
- not specified
Constituent 1
Test animals
- Species:
- rat
- Strain:
- not specified
- Sex:
- not specified
Administration / exposure
- Route of administration:
- inhalation: dust
- Type of inhalation exposure:
- not specified
- Vehicle:
- not specified
- Details on inhalation exposure:
- mass median aerodynamic diameter: 3.2 to 3.6 µm (88% less than 10 µm)
- Analytical verification of test atmosphere concentrations:
- not specified
- Remarks on duration:
- no data
- Concentrations:
- 3.3 mg/L
- No. of animals per sex per dose:
- no data
- Control animals:
- not specified
- Details on study design:
- none
- Statistics:
- no data
Results and discussion
- Preliminary study:
- no data
Effect levels
- Sex:
- not specified
- Dose descriptor:
- LC50
- Effect level:
- 3.3 mg/L air
- Mortality:
- no data
- Clinical signs:
- other: no data
- Body weight:
- no data
- Gross pathology:
- no data
- Other findings:
- no data
Applicant's summary and conclusion
- Interpretation of results:
- other: data not sufficient for classification purposes
- Remarks:
- Criteria used for interpretation of results: other: n.a.
- Conclusions:
- data not sufficient for classification purposes
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.
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