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EC number: 947-964-7 | CAS number: -
The PNEC derivation was as follows justified:
PNEC freshwater sediment:
K_(susp-water) = 708
RHO_(susp) = 1150
Conversion factor (wwt -> dwt): 4.6
= (K_(susp-water)/ RHO_(susp))*PNEC_water * 1000
= 2.7 mg/kg wwt
= 12.5 mg/kg dw
PNEC marine water sediment:
PNEC_marine water sediment
= (K_(susp-water)/ RHO_(susp))*PNEC_marine water* 1000
= (708/1150)* 0.44 * 1000
= 0.27 mg/kg wwt
= 1.27 mg/kg dw
K_(soil-water) = 142
RHO_(soil) = 1700
Conversion factor (wwt -> dwt): 1.13
= (K_(soil-water)/ RHO_(soil))*PNEC_freshwater*1000
= 0.367 mg/kg wwt
= 0.415 mg/kg dw
Aquatic acute toxicity
96 h, LC50 (Danio rerio): 10.4 mg/L
48 h, EC50 (Daphnia magna): 4.4 mg/L
72 h, EC50 (Algae): 8.7 mg/L, EC10 (Algae): 0.8 mg/L
Biodegradation: Inherently primary biodegradable: 33 % after 28 days
Partition coefficient: log Kow = 4.44; log Koc = 3.85
Classification, Labelling, and Packaging Regulation (EC) No 1272/2008 The available experimental test data are reliable and suitable for classification purposes under Regulation (EC) No 1272/2008. Based on the data above, the substance has not to be classified for short-term (acute) aquatic toxicity, but for long-term (chronic) aquatic toxicity the substance is Cat 2 (H411: Toxic to aquatic life with long lasting effects) according to Regulation (EC) No 1272/2008 (CLP), as amended for the twelfth time in Regulation (EU) No 2019/521.
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