Registration Dossier
Registration Dossier
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EC number: 201-557-4 | CAS number: 84-74-2
Bioaccumulation: aquatic / sediment
Administrative data
Link to relevant study record(s)
Description of key information
Dialkyl phthalate esters concentrations (including DBP) were determined by Mackintosh et al., 2004 in 18 marine species representing approximately 4 trophic levels from their natural habitat (False Creek harbor, Vancouver, BC). Lipid equivalent concentrations in phthalates esters were determined and foodweb magnification factors were calculated and analysed regarding the trophic levels.
Food web characterization was determined on basis of 2 methods (trophic position model and stable nitrogen isotope analysis).
With biomagnification factors of 0.81 and 0.70 according to stable nitrogen isotope and trophic position level, DBP do not biomagnify in the aquatic marine food web studied.
Key value for chemical safety assessment
- BCF (aquatic species):
- 1.8 L/kg ww
Additional information
According to peer reviewed information from EU RAR for DBP, 2004 bioaccumulation test according to international guidelines (OECD 305E) has been carried out under GLP by industry (Hüls, 1996). Carp (Cyprinus carpio) were exposed to 10 and 50 μg/L of DBP for 28 days. Based on measurements for the highest exposure concentration in water and fish a BCF value of 1.8 L/kg was found
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