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Dissociation constant

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Description of key information

Dissociation constant (substance): Not relevant
Dissociation constant (silanol hydrolysis product): ca. 11

Key value for chemical safety assessment

Additional information

The requirement to test the substance for dissociation constant is waived because in contact with water the substance rapidly hydrolyses to form methylsilanol and hydrogen chloride. The dissociation constant of methylsilanol is estimated as ca. 11 on the basis of read-across from trimethylsilanol.

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