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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Link to relevant study record(s)

Description of key information

Phosphoric acid, potassium salt (2:3), dihydrate dissociates completely in water

Key value for chemical safety assessment

Additional information

In accordance with Regulation (EC) 1907/2006, Annex XI, testing may be omitted if it appears scientifically unnecessary. The decomposition of phosphoric acid, potassium salt (2:3), dihydrate by reaction with water occurs immediately after contact with the aqueous medium (complete dissociation of the dissolved salt takes place in water). Considering this information, hydrolysis testing is not deemed necessary.