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EC number: 266-041-3
CAS number: 65997-06-0
The log partition coefficients for
substances in the category Rosin, hydrogenated rosin and their salts
range from 0.74 to >6.5.
mean log partition coefficient of Hydrogenated rosin is 2.3 to >6 (8.3)
in unbuffered solution, and 2.5 to >6 (7.6) in media adjusted to pH 2. A
supporting study determined a partition coefficient of 3.42 at pH 4.15 -
key and supprting studies conducted according to OECD Guideline 117
(HPLC method) and EU Method A.8 (shake-flask method) were provided for
Rosin, hydrogenated (Inveresk Research, 2003a; Chilworth Technology, 2010a).
wide range of partition coefficient values for Rosin, hydrogenated is
due to the chemical structures of the substances, as they are composed
of ionisable organic acids. These substances are UVCB mixtures and
therefore can exhibit more than one peak and log Kow value.
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