Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

Endpoint:
bioaccumulation in aquatic species: fish
Type of information:
(Q)SAR
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification

Data source

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
THE BCF was estimating using EPI SuiteTM (v4.11). 

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
424-970-3
EC Name:
-
Cas Number:
166255-23-8
Molecular formula:
C16-H14-O3.C6-H16-O3-Si
IUPAC Name:
Triethoxysilylpropyl Dibenzoyl Resorcinol
Test material form:
solid
Specific details on test material used for the study:
SMILES : CCO[Si](CCCc1c(O)c(cc(C(=O)c2ccccc2)c1O)C(=O)c3ccccc3)(OCC)OCC

Results and discussion

Bioaccumulation factor
Type:
BCF
Value:
52.61 L/kg
Basis:
not specified
Remarks on result:
other: estimated value (regression based method)
Details on results:
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 1.721 (BCF = 52.61 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.8152 days (HL = 0.0153 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.096 (BCF = 12.49)
Log BAF Arnot-Gobas method (upper trophic) = 1.096 (BAF = 12.49)
log Kow used: 4.00 (user entered)

Any other information on results incl. tables

The intended application domain for EPI SuiteTM is organic chemicals. 

Applicant's summary and conclusion

Conclusions:
The calculated BCF is 52.61 L/kg wet-wt (EPI Suite v4.11), therefore the substance is considered not to bioaccumulate.