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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Water solubility

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Description of key information

The average solubility of PZT was found at 2.1 mg/L (with an amount of 10 mg per 50 mL of water) and at 3.4 mg/L (with an amount of 50 mg per 50 mL of water).

Key value for chemical safety assessment

Water solubility:
3.4 mg/L
at the temperature of:
25 °C

Additional information

As the average solubility of PZT was found between 0.1 and 100 mg/L, the test item was considered slightly soluble in water. Increasing the amount of test item saturating the aqueous medium with a factor of five resulted in an increase of a factor of 1.6 for water solubility. This suggests that there is no direct relation between the loading of PZT per liter of water and the amount of lead appearing in solution.