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Physical & Chemical properties

Water solubility

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Description of key information

The solubilities at 20°C and at pH 6.4 were found as follows:

6.1 mg/L with a loading rate of 0.1 g/L

46 mg/L with a loading rate of 1.0 g/L

Key value for chemical safety assessment

Additional information

The determination was performed by flask method according to OECD Guideline 105.

The test item is a complex mixture. The water solubility can therefore only be investigated via determination of dissolved amounts of chromate, nitrogen and TOC contained in the test item. The different results show that the solubility of the test item is dependent on the analytical method and the loading rate.

The values quantified by TOC and Cr-content are deemed to be constistent. Since the results of both methods are similar therefore one of them can be considered suitable for use this endpoint. The solubilities quantified by TOC have been chosen for further assessment.