Registration Dossier
Registration Dossier
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EC number: 204-885-6 | CAS number: 128-42-7
Endpoint summary
Administrative data
Description of key information
Additional information
Adsorption / desorption :
Soil Adsorption Coefficient i.e Koc value of 4,4'-dinitrostilbene-2,2'-disulphonic acid was estimated as 19770 L/kg (LogKoc= 4.2960) by means of MCI method. This indicates that 4,4'-dinitrostilbene-2,2'-disulphonic acid will strongly adsorb to the organic carbon fraction of the soil and will not have the tendency to move with the water content in the soil medium.The Koc value of the key study at 20 degC is equivalent to a value of 15816 (LogKoc= 4.1990).
Henry's Law constant :
Henry's Law states that at a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid. Henrys Law Constant of 4,4'-dinitrostilbene-2,2'-disulphonic acid at 25 deg C is 4.26E-017 (0.0000000000000000426) Pa m³/mol.
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