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Physical & Chemical properties

Dissociation constant

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Description of key information

In a published scientific reference, 'Critical Stability Constants, Volume 5, First Supplement, Page 427 (Robert M. Smith & Arthur E. Martell)', 4 pKa values are given for ethylenediaminedisuccinic acid  at 25°C: pka 1 = 3.00,pKa 2 = 3.85,pKa 3 = 6.93,pKa 4 = 10.13

Key value for chemical safety assessment

pKa at 20°C:
3

Additional information

In a published scientific reference, 'Critical Stability Constants, Volume 5, First Supplement, Page 427 (Robert M. Smith & Arthur E. Martell)', 4 pKa values are given for ethylenediaminedisuccinic acid at 25°C: pka 1 = 3.00, pKa 2 = 3.85, pKa 3 = 6.93, pKa 4 = 10.13