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EC number: 939-638-8
CAS number: 90268-37-4
log Kow :-0.8573
Klimisch 1 non-GLP study from Gries (2013) the logPow was determined
according to OECD 107 based on the water and n-octanol solubility of the
registered sulfosuccinate is a surface active substance. According to
the OECD GUIDELINE FOR THE TESTING OF CHEMICALS 107 Adopted by the
Council on 27th July 1995: Partition Coefficient (n-octanol/water):
Shake Flask Method, paragraph 19 "the results of the preliminary
estimation (when the shake flask method is not applicable, e.g. surface
active material, a calculated value or an estimate based on the
individual n-octanol and water solubilities should be provided)".
to the OECD 107 (paragraph 5) "the partition coefficient (P) is defined
as the ratio of the equilibrium concentrations of a dissolved substance
in a two-phase system consisting of two largely immiscible solvents. In
the case of n-octanol and water:
octanol/ C water"
maximum concentration in octanol and
maximum concentration in water
partition coefficient, being the quotient of two concentrations, or the
quotient of the fractions of the test substance in the two phases
multiplied by a fixed volume ratio, is dimensionless and is usually
given in the form of its logarithm to base ten."
As laid out
in the respective sections of the IUCLID dossier, the water solubility
of the registered substanceis
7.2 g/L the solubility in octanol is 1 g/L (both at 20°C).Based
on this, the Pow is calculated as 0.1389 and the logPow is -0.8573.
determined log Pow is considered to be acceptable for the risk
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