Registration Dossier
Registration Dossier
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EC number: 800-526-8 | CAS number: 1273322-45-4
Endpoint summary
Administrative data
Description of key information
Additional information
ADSORPTION/DESORPTION
Adsorption to soil, sediment and sewage sludge (OECD 106): 680-697 L/kg at 20 °C
Below, no value for KOC/ log KOC is given. This is because partitioning of cationic surfactants to soil and sediment is governed by ionic interaction (no correlation with organic carbon content of soil). Calculation of the environmental partitioning based on Koc alone would therefore result in erroneous predictions. For this reason, instead of Koc compartment specific values for Kd (or Kp) are given and used to calculate the distributrion in the environment.
log Kp (solids-water in soil): 2.843 at 20°C
log Kp (solids-water in suspended matter): 2.843 at 20°C
log Kp (solids-water in sediment): 2.843 at 20°C
log Kp (solids-water in raw sewage sludge): 2.833 at 20°C
log Kp (solids-water in settled sewage sludge): 2.833 at 20°C
log Kp (solids-water in activated sewage sludge): 2.833 at 20°C
log Kp (solids-water in effluent sewage sludge): 2.833 at 20°C
AIR/WATER PARTITIONING - HENRY'S LAW CONSTANT
Calculated QSAR values based on the molecular structure of the amines at pH 7 are available, considering the degree of protonation. For the model calculations, a mean value of 0.01 Pa.m3/mol is used.
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