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EC number: 259-134-5
CAS number: 54381-16-7
N,N-bis(2-hydroxyethyl)-p-phenylenediamine sulphate has a
very high water solubility (178 g/L at 20°C), a vapor pressure ≤ 65 Pa
at 20°C and a very low log Koc (0.63 at 25°C) . So the substance will be
found mainly in the aquatic compartment.
Due to its very low log Kow (-2.8 at 20°C), it is not
suspected of bioaccumulation.
This substance is neither readily biodegradable in a
ready biodegradation test (14.3 % in 29 days) nor in a porous pot
removal test over a 6 week period.
N,N-bis(2 -hydroxyethyl)-p-phenylenediamine sulphate is
unstable under the conditions of the hydrolysis test with half-life of
7, 16 and 31 days at elevated temperature (i.e. 50 ± 0.5°C) and pH 4, 7
and 9, respectively. However due to the lack of hydrolysis functions,
the observed degradation cannot be related to hydrolysis and it is
probably due to another
mechanism (e.g., oxidation or thermal stability). The half-life at
environmental pH and 12°C is 334.5 days.
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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