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Dissociation constant

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Description of key information

The average experimental pKa value for 4-aminobenzene-1,3-disulphonic acid was found to be 0.014773 at 21 deg C. The average pKa value when converted at 20 deg C is equivalent to 0.0140695

Key value for chemical safety assessment

pKa at 20°C:
0.014

Additional information

The average experimental pKa value for 4-aminobenzene-1,3-disulphonic acid was found to be 0.014773 at 21 deg C. The average pKa value when converted at 20 deg C is equivalent to 0.0140695 indicating that the chemical has dissociation properties