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Registration Dossier
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EC number: 295-556-6 | CAS number: 92077-08-2
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
According to REACH regulation - Annex VII - Chapter 7.7 - Column 2 a study does not need to be conducted if the substance is hydrolytically unstable at pH 4, 7 and 9 (half-life less than 12 hours). The half live rates are <2h at any measured pH in a OECD111 study (s. IUCLID chapter 5.1.2). Therefore the test could not be performed. Instead a test with the hydrolytical product Tripropenyl succinic acid was performed.
According to ISO 4311 the critical micelle concentration of Tripropenyl succinic acid is 0.9 ± 0.09 g/L at 20°C.
The critical micelle concentration is the appropriate parameter describing water solubility of surface active materials.
Key value for chemical safety assessment
- Water solubility:
- 0.9 g/L
- at the temperature of:
- 20 °C
Additional information
According to REACH regulation - Annex VII - Chapter 7.7 - Column 2 a study does not need to be conducted if the substance is hydrolytically unstable at pH 4, 7 and 9 (half-life less than 12 hours). The half live rates are <2h at any measured pH in a OECD111 study (s. IUCLID chapter 5.1.2). Therefore the test could not be performed. Instead a test with the hydrolytical product Tripropenyl succinic acid was performed.
According to ISO 4311 the critical micelle concentration of Tripropenyl succinic acid is 0.9 ± 0.09 g/L at 20°C.
The critical micelle concentration is the appropriate parameter describing water solubility of surface active materials.
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