Registration Dossier
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EC number: 233-135-0 | CAS number: 10043-01-3
Bioaccumulation: terrestrial
Administrative data
Link to relevant study record(s)
Description of key information
According to Section3, part 2, of the Criteria for Inclusion of Substances on Annex IV of Regulation (EC) № 1907/2006, information on this Annex X endpoint are only required when such reliable studies are available. No such reliable data is available.
The estimated BCF (upper trophic) of 0.893 L/kg wet-wt was measured by calculation from EPI SuiteTM v4.0 Program. This is Exposure Assessment Tools and Models made from EPA (Environmental Protection Agency) .
Summary Results:
Log BCF (regression-based estimate): 0.50 (BCF = 3.16 L/kg wet-wt)
Biotransformation Half-Life (days) : 1.48e-005 (normalized to 10 g fish)
Log BAF (Arnot-Gobas upper trophic): -0.05 (BAF = 0.893 L/kg wet-wt)
Log Kow (experimental): not available from database
Log Kow used by BCF estimates: -7.82
Equation Used to Make BCF estimate:Log BCF = 0.50
Correction(s): Value
Correction Factors Not Used for Log Kow < 1
Estimated Log BCF (upper trophic) = -0.049 (BCF = 0.893 L/kg wet-wt)
Key value for chemical safety assessment
- BCF (terrestrial species):
- 0.893 L/kg ww
Additional information
According to Section3, part 2, of the Criteria for Inclusion of Substances on Annex IV of Regulation (EC) № 1907/2006, information on this Annex X endpoint are only required when such reliable studies are available. No such reliable data is available.
The estimated BCF (upper trophic) of 0.893 L/kg wet-wt was measured by calculation from EPI SuiteTM v4.0 Program. This is Exposure Assessment Tools and Models made from EPA (Environmental Protection Agency) .
Summary Results:
Log BCF (regression-based estimate): 0.50 (BCF = 3.16 L/kg wet-wt)
Biotransformation Half-Life (days) : 1.48e-005 (normalized to 10 g fish)
Log BAF (Arnot-Gobas upper trophic): -0.05 (BAF = 0.893 L/kg wet-wt)
Log Kow (experimental): not available from database
Log Kow used by BCF estimates: -7.82
Equation Used to Make BCF estimate:Log BCF = 0.50
Correction(s): Value
Correction Factors Not Used for Log Kow < 1
Estimated Log BCF (upper trophic) = -0.049 (BCF = 0.893 L/kg wet-wt)
BCFs for terrestrial plants were calculated based on data cited in the review by Bélanger et al. (1999). For both hardwood and coniferous species, the calculated BCF ranged from 5 to 1,300 for foliage and from 20 to 79,600 for roots in studies done with aluminum solutions. For those conducted with soil, BCFs were lower for both foliage (0.03–1.3) and roots (325–3,526). BCFs calculated for grain and forage crops ranged from 4 to 1,260 in foliage and from 200 to 6,000 in roots for experiments done with solutions. For soil experiments, the foliar BCF varied from 0.07 to 0.7.
A BCF of 0.13 to 0.5 in the whole body for the snail Helix aspersa has been reported.
REFERENCES
Bélanger N, Fyles H, Hendershot W. 1999. Chemistry, bioaccumulation and toxicity in the terrestrial environment — PSL2 assessment of aluminum salts. Montreal (QC): Environment Canada. Unpublished report.
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