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Physical & Chemical properties

Dissociation constant

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Description of key information

Dissociation constants (log K) are 9.88, 5.38 and 2.62 respectively.  

Key value for chemical safety assessment

Additional information

No detailed information available; literature data

L = HEDTA

[HL]/[L].[H] log K = 9.88

[H2L]/[HL].[H] log K = 5.38

[H3L]/[H2L].[H] log K = 2.62

(25°C, 0.1M ionic strenght)