Registration Dossier
Registration Dossier
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EC number: 225-193-0 | CAS number: 4707-47-5
Endpoint summary
Administrative data
Description of key information
The adsorption/desorption (Koc) is calculated because the log Kow is < 3. Using the measured log Kow (2.6) and the default non-hydrophobics QSAR in EUSES (log Kow < 3): Koc = 10.47*(Kow)^0.52 the Koc is 235 L/kg and the log Koc 2.4. Based on this value it may be concluded that the substance has low potential for adsorption to solid surfaces.
A Henry's law constant of 0.011 Pa·m³/mol (at 12 °C) was calculated in EUSES (Vap pressure 0.002 Pa at 24°C, 196.2 molecular weight and 18 mg/l at 24°C water solubility). Based on this value the substance will not partition from water to air.
Based on Level III environmental distribution modelling using EPISUITE(assuming equal and continuous releases to air, water and soil) using the CAS number 4707-47-5, its measured water solubility and log Kow, it is estimated that the majority of the substance released to the environment will partition mainly into soil (82%) and water (17.8%) with small amounts to air (0.00964%) and sediment (0.237%).
The SimpleTreat model, which is incorporated in EUSES, simulates the distribution of the substance in a Sewage Treatment Plant (STP). Model calculations show that 85.4% of the substance will be degraded and that 0.04%, 12.4% and 2.16% will partition to air, water and sewage sludge, respectively.
Additional information
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