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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Water solubility

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Description of key information

Water solubility

Key value for chemical safety assessment

Water solubility:
0.021 g/L
at the temperature of:
25 °C

Additional information

AlASP is a very sparingly soluble amorphous phosphate.Accurate measurement ofthe water solubility of AlASP, therefore, requires a procedure which minimizes the measurement error. One method of assuring accurate measurement is use of large volumes of water and precise solute detection and analytical procedures.

AlASP spontaneously forms a finely dispersed gelatinous suspended solid in water which is very difficult to filter out. Therefore, it is possible that part of the Al detected is not, in fact, dissolved but suspended. Therefore the value of0.0213g/lis a "worst case" scenario.