Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Dissociation constant

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Administrative data

Link to relevant study record(s)

Description of key information

Not applicable

Key value for chemical safety assessment

Additional information

The substance is a salt which is a reaction product of acid and base that retain their ionic character.

In addition, the dissociation constant on the single compound (acid and base) has been measured and calculated, respectively.

The representative compound for polycarboxylic acid is referred to the substance with CAS number 80584-91-4 and the representative compound for alkanolamine is referred to the substance with CAS number 102-71-6.

1) Polycarboxylic acid:

calculated pKa= 4.5 at 25°C

2) Alkanolamine:

measured pKa= 7.9 at 25°C