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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 270-126-0 | CAS number: 68411-44-9
Bioaccumulation: aquatic / sediment
Administrative data
- Endpoint:
- bioaccumulation: aquatic / sediment
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Regulatory accepted model for assessment of chemical substances.
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: QSAR modeling
- Principles of method if other than guideline:
- BCFBAF v.3.00; US EPA, EPI Suite v 4.00
- GLP compliance:
- no
- Remarks:
- not applicable to QSAR models
Test material
- Reference substance name:
- Butylbenzene
- EC Number:
- 203-209-7
- EC Name:
- Butylbenzene
- Cas Number:
- 104-51-8
- Molecular formula:
- C10H14
- IUPAC Name:
- butylbenzene
- Details on test material:
- Component substance
Constituent 1
Test organisms
- Test organisms (species):
- other: fish
Study design
- Route of exposure:
- other: QSAR modeling
- Test type:
- other: QSAR modeling
Results and discussion
Any other information on results incl. tables
QSAR estimate BCFBAF v.3.00 |
Log BCF =2.56;
BCF =361 L/kg wet wt (regression-based estimate)
Biotransformation half-life =0.861 days (normalized to 10 g fish)
Log BAF = 2.50 BAF =318 L/kg wet-wt (Arnot-Gobas upper trophic)
|
2 (reliable with restrictions)
key study
(Q)SAR |
USEPA (EPI Suite v.4.00) |
Applicant's summary and conclusion
- Conclusions:
- QSAR estimated (component data):
BCF =361 L/kg wet wt (regression-based estimate);
BAF =318 L/kg wet-wt (Arnot-Gobas upper trophic).
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.
