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Water solubility

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Description of key information

The water solubility of FAT 40825/A was found to be at least 341 g/l at room temperature.

Key value for chemical safety assessment

Water solubility:
341 g/L
at the temperature of:
20 °C

Additional information

The determination of the water solubility of FAT 40825/A was performed according to the EEC Directive 92/69, A.6 "Water Solubility" (1992) and the OECD Guideline No. 105 "Water Solubility" (1995) using a simplified flask method.

After mixing a total of about 2 g of test item in 5 ml of water, a dark brown, viscous solution was obtained. It was scarily possible to decide by visual judgment if complete dissolution was achieved. The water solubility of FAT 40825/A might therefore be higher as determined in the present study. The determination of the concentration in the above mentioned solution was confirmed by HPLC with respect to a calibration curve.

A main test using the flask shaking method was not possible as no saturated solution of test item in water can be prepared. Due to the results in the preliminary test, the water solubility of FAT 40825/A was found to be at least 341 g/l at room temperature.

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