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EC number: -
CAS number: -
Corsair Clear #12 was not assessed for
hydrolysis as this study was technically not feasible.
According to the guideline, the
concentration of test samples should not exceed half the water
solubility of the test substance or 0.01 M, whichever is lower. The
water solubility of the test substance is < 1 mg/l. An analytical method
to support the hydrolysis test at this low concentration level was not
available. The test on the hydrolysis of the test substance could
therefore not be performed.
According to the EU criteria and based on the modified Sturm test
presently performed, Corsair Clear #12 would be regarded as not readily
biodegradable. However, the negative result of the available
biodegradation study may be due to the fact that the tested
concentration was far above the maximum water solubility. Thus, in view
of lack of the optimal contact between the test substance and the medium
in the present Modified Sturm test, no definitive conclusions can be
drawn with respect of biodegradability of the test substance.
Since it was not possible to determine
the Kocand log Koc values of the test substance
using the HPLC method, the QSAR
calculation method was applied. Based on the water solubility of the
test substance ( 2.82 x 10-4 g/l) the
compound was classified as “predominantly hydrophobic”. For this
chemical class, the log Koc is given as: log Koc = 0.81 log
Pow + 0.10.
Using the HPLC method the partition
coefficient, Pow, of Corsair Clear #12 was determined to be >
3.2 x 106 (log Pow > 6.5).
When applying this log Pow
value to the above given equation, the log Koc of Corsair
Clear #12 was calculated to be > 5.4.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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