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Dissociation constant

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Description of key information

The dissociation constant (pKa) for bis(2-ethylhexyl) hydrogen phosphate is estimated to be 1.47.

Key value for chemical safety assessment

pKa at 20°C:
1.47

Additional information

The dissociation constant of bis(2-ethylhexyl) hydrogen phosphate was estimated by ACD/pKa DB included in ACD/labs 7.00 Release. According to the estimated results, bis(2-ethylhexyl) hydrogen phosphate is mainly present as ionic form under environmentally relevant pH 5-9.