Registration Dossier
Registration Dossier
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EC number: 937-237-2 | CAS number: 1370006-50-0
Bioaccumulation: aquatic / sediment
Administrative data
Link to relevant study record(s)
Description of key information
The BCF of Partially unsaturated IQAC, DMS quaternised is 10.7.
Key value for chemical safety assessment
- BCF (aquatic species):
- 10.7 dimensionless
Additional information
The calculation of BCFs via BCFBAF v3.01 for Partially unsaturated IQAC, DMS quaternised yielded values in the range between 1 (Arnot- Gobas calculation method (upper trophic)) and 71 L/kg wet-wt (regression-based calculation method). Based on the calculated BCFs a low potential for bioaccumulation is to be expected for Partially unsaturated IQAC, DMS quaternised. This is supported by the fast hydrolysis and inherent biodegradability of the substance and the results of three toxicokinetical studies with mammals (rats) indicating poor absorption (dermal and intestinally) and fast elimination. For Partially unsaturated IQAC, DMS quaternised, CAS-No. 68122-86-1, a flow through study with bluegill sunfish indicated a low bioaccumulation potential (BCF = 10.7) of IQAC. The publication of the Australian state authority for the registration of chemical substances NICNAS was used for the determination of the BCF, used for the chemical safety assessment (CSA). This was done because the published BCF is based on measured data (fish test) and therefore seems to be more reliable.
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