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Physical & Chemical properties

Dissociation constant

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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 components has been calculated, respectively.

1) SMILES: OCCOS(=O)(=O)O

calculated pKa= -1.86 at 25°C

2) SMILES: OS(=O)(=O)O

calculated pkA= -3.14 at 25°C