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EC number: 601-409-2
CAS number: 116020-44-1
The purpose of this study was to determine the bioconcentration potential of the test material in fish under flow-through conditions.
The study was performed according to the OECD Guideline for Testing of Chemicals 305 (Bioconcentration: Flow-through Fish Test) adopted on June 14, 1996 using two test material concentrations for exposure to Cyprinus carpio. Two environmental concentrations of the test material of 0.03 and 0.003 mg/L were used in this study. SPAN 20 was used as vehicle at concentrations of 1 and 2 mg/L. The exposure was maintained during the couse of the study at about 100% of the nominal concentrations. The concentrations have been verified analytically using a GC method with FID detection.
No signs of toxicity were observed throughout the study. The analysis reveals steady state BCFs of 553 and 725. Due to the low bioaccumulation potential, no depuration phase was required.
The test material showed no relevant bioaccumulation at concentrations at or above the water solubility. The steady state BCF values were at 553 and 725 (mean 639).
Bioaccumulation was tested in fish (Cyprinus carpio)
exposed for 28 days to the test material. Two environmental
concentrations of the test material of 0.03 and 0.003 mg/L were used in
this study. SPAN 20 was used as vehicle at concentrations of 1 and 2
mg/L. Regular concentration control analysis of the test media showed
that the test material concentrations were maintained at 100% of the
nominal values, throughout the exposure period and that the test
material was present in dissolved form, thus proving steady state
exposure conditions. No signs of toxicity were observed throughout the
study. Steady state BCFs of 553 and 725 were determined. Due to the low
bioaccumulation potential, no depuration phase was required. The steady
state BCF values were at 553 and 725 (mean 639). The test item showed no
relevant bioaccumulation (BCF < 2000).
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