Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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: 224-929-8 | CAS number: 4559-86-8
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1978
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Original reference not available (only very brief summary)
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Unnamed
- Year:
- 1 980
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- not further specified
- GLP compliance:
- no
- Test type:
- other: not further specified
Test material
- Reference substance name:
- Tetrabutylurea
- EC Number:
- 224-929-8
- EC Name:
- Tetrabutylurea
- Cas Number:
- 4559-86-8
- Molecular formula:
- C17H36N2O
- IUPAC Name:
- 1,1,3,3-tetrabutylurea
- Test material form:
- other: liquid
- Details on test material:
- no data
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- not specified
- Sex:
- male
- Details on test animals or test system and environmental conditions:
- no data
Administration / exposure
- Type of coverage:
- not specified
- Vehicle:
- not specified
- Details on dermal exposure:
- no data
- Duration of exposure:
- no data
- Doses:
- no data
- No. of animals per sex per dose:
- no data
- Control animals:
- not specified
- Details on study design:
- no data
Results and discussion
Effect levels
- Sex:
- male
- Dose descriptor:
- LD50
- Effect level:
- > 7 500 mg/kg bw
- Mortality:
- no data
- Clinical signs:
- other: no data
- Gross pathology:
- no data
Applicant's summary and conclusion
- Interpretation of results:
- practically nontoxic
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- For the test substance a LD50 value of > 7500 mg/kg bw was given.
- Executive summary:
For male rabbits a dermal LD50 value of > 7500 mg/kg bw has been reported.
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.
