Registration Dossier
Registration Dossier
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EC number: 239-018-0 | CAS number: 14940-41-1
Bioaccumulation: aquatic / sediment
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Measured data are not available for Triiron bis(orthophosphate) (CAS 14940-41-1), therefore read across from the comparable substance Iron (II) sulphate heptahydrate (CAS 7782-63-0) was deemed acceptable for assessment. Both substances are inorganic ferrous salts. .
The bioaccumulation potential of Iron (II) sulphate heptahydrate was tested in a GLP guideline study according to OECD 305 under the flow-through conditions. The stock solution of the test item was prepared using acetic acid as dispersant. Test fish (Cyprinus carpio) were exposed to nominal test concentrations of 5 and 0.5 mg/L (4.97 mg/L and 0.492 mg/L measured concentration, respectively). The test was terminated after 28 days. At a substance concentration of 5 mg/L (nominal) a BCF value of ≤ 2 – 2.9 was determined, whereas a BCF of ≤ 20 was determined at a test substance concentration of 0.5 mg/L (nominal).
Based on the read across data the potential of Triiron bis(orthophosphate) (CAS 14940-41-1) to bioaccumulate and the risk of secondary poisoning are low.
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