Registration Dossier
Registration Dossier
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EC number: 279-632-6 | CAS number: 80939-62-4
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
1) The solubility in demineralized water at pH 4.6 at
20°C are given as follows:
- ca. 37 mg/L at a loading rate of 1g/L
- ca. 191 mg/L at a loading rate of 10g/L
2) The solubility in isotonic NaCl solution at pH 5.7 at
20°C are given as follows:
- ca. 99 mg/L at a loading rate of 1g/L
- ca. 386 mg/L at a loading rate of 10g/L
Key value for chemical safety assessment
Additional information
The measurements were carried out by flask method.
The test item is a mixture of homologues of different molecular weights. Every constituent contributes to a different degree to overall solubility, depending on its own individual solubility and its mass fraction in the test item. Thus, analytical results depend on the amount of test substance added.
Additionally, an estimation on the representative selection components has been individually generated using recommended WSKOW module of software EPI Suite and the results are given as follows:
1750 mg/L at 25°C (of mono-hexylphosphate)
4.5 mg/L at 25°C (of di-hexylphosphate)
14.6 mg/L at 25°C (of tridecylamine)
0.005 µg/L at 25°C (of di-tridecylamine)
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