Registration Dossier
Registration Dossier
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EC number: 232-476-2 | CAS number: 8050-15-5
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
The water solubilities of the rosin ester
substances range from <0.22 mg/L to <32.3 mg/L.
Resin
acids and rosin acids, hydrogenated Me esters are complex UVCBs with
components of low or varying water solubilities. As solubility results
are expressed as total organic carbon they cannot be directly compared
against the solubility categories.
The solubility of resin acids and rosin
acids, hydrogenated Me esters was measured at two loading rates, 1 and
10 g/L, and the results expressed as total organic carbon (TOC). At a
loading rate of 10 g/L TOC was measured as ≤0.0063
g/L and at a loading rate of 1 g/L TOC was measured as ≤0.001
g/L. The results show that the water solubility is loading rate
dependant and therefore could be higher than ≤0.0063
g/L at higher loading rates.
Key value for chemical safety assessment
Additional information
Two GLP-compliant studies, conducted according to OECD 105 Method (flask method), were provided (Harlan Laboratories Ltd., 2012b; Inveresk Research, 2004a), which contain water solubility results for Resin acids and rosin acids, hydrogenated Me esters.
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