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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 222-212-4 | CAS number: 3387-41-5
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.13/14 (Mutagenicity - Reverse Mutation Test Using Bacteria)
- GLP compliance:
- yes
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- Thuj-4(10)-ene
- EC Number:
- 222-212-4
- EC Name:
- Thuj-4(10)-ene
- Cas Number:
- 3387-41-5
- Molecular formula:
- C10H16
- IUPAC Name:
- 4-methylidene-1-(propan-2-yl)bicyclo[3.1.0]hexane
Constituent 1
Method
Species / strain
- Species / strain / cell type:
- other: Salmonella typhimurium (TA97a, TA98, TA100, TA102 and TA1535)
- Metabolic activation:
- with and without
Controls
- Untreated negative controls:
- no
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- sodium azide
- benzo(a)pyrene
- other: 4-Nitro-1.2-phenylene Diamine,2-Amino-Anthracene
Results and discussion
Test resultsopen allclose all
- Key result
- Species / strain:
- other: TA97a
- Metabolic activation:
- with and without
- Genotoxicity:
- positive
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Vehicle controls validity:
- not valid
- Untreated negative controls validity:
- not valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 100
- Metabolic activation:
- with and without
- Genotoxicity:
- positive
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Vehicle controls validity:
- not valid
- Untreated negative controls validity:
- not valid
- Positive controls validity:
- valid
Applicant's summary and conclusion
- Conclusions:
- Based on the results of this study it is concluded that Thuj-4(10)-ene is mutagenic in the Salmonella typhimurium strain TA1535 in the absence and presence of metabolic activation under the experimental conditions in this study.
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.
