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Physical & Chemical properties

Solubility in organic solvents / fat solubility

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Description of key information

For MDIPA-Esterquat C16-18 and C18 unsatd., since no agglomeration equilibrium was reached in 72 hours, the n-octanol solubility is defined as smaller than the limit value, < 632 g/L.

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Additional information

For MDIPA-Esterquat C16-18 and C18 unsatd. the n-octanol solubility was determined within the scope of determination of logPow. Concentrations were determined analytically (HPLC-MS with response of the saturated C16 and C18 -di-ester). At the lowest tested concentration, after 72 h stirring and centrifugation, the test solution became turbid again. According to information of the sponsor and the results from Project 503238, the saturated C16 and C18 di-ester component of the test substance is stable in n-octanol.

The concentration decrease is possibly caused by a delayed agglomeration of the test substance. Since no agglomeration equilibrium was reached in 72 hours, the n-octanol solubility is defined as smaller than the limit value, < 632 g/L. The reason for this behaviour is not understood and, therefore, the stated n-octanol solubility is uncertain.