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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 264-150-0 | CAS number: 63449-39-8
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1963
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 963
- Report date:
- 1963
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 401 (Acute Oral Toxicity)
- GLP compliance:
- no
- Test type:
- standard acute method
- Limit test:
- no
Test material
- Reference substance name:
- Paraffin waxes and Hydrocarbon waxes, chloro
- EC Number:
- 264-150-0
- EC Name:
- Paraffin waxes and Hydrocarbon waxes, chloro
- Cas Number:
- 63449-39-8
- Molecular formula:
- C18H33Cl5 C18H30Cl8 C20H36Cl6 C20H33Cl9 C25H45Cl7 C25H42Cl10 C25H29C23 C30H53Cl9 C30H49Cl13 C30H35Cl27
- IUPAC Name:
- Paraffin waxes and Hydrocarbon waxes (C18 and longer), chloro
- Details on test material:
- C22-26; 42% Cl (liquid). Cereclor 42.
Constituent 1
Test animals
- Species:
- rat
- Strain:
- not specified
- Sex:
- male
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- unchanged (no vehicle)
- Doses:
- Single doses of 500, 1000, 2000, 5000 mg/kg.
- No. of animals per sex per dose:
- 3
- Control animals:
- not specified
- Details on study design:
- - Duration of observation period following administration: 7
- Statistics:
- No data
Results and discussion
Effect levels
- Sex:
- male
- Dose descriptor:
- LD50
- Effect level:
- > 5 000 mg/kg bw
Any other information on results incl. tables
No toxic effects were observed and nothing abnormal was detected at post-mortem.
Applicant's summary and conclusion
- Interpretation of results:
- practically nontoxic
- Remarks:
- Migrated information Criteria used for interpretation of results: expert judgment
- Conclusions:
- Oral LD50 (rat) > 5000 mg/kg.
- Executive summary:
No acute toxicity observed up to 5000 mg/kg.
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.
