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Physical & Chemical properties

Water solubility

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Description of key information

Water solubility (substance): Not relevant
Water solubility (silanol hydrolysis product): 11,000 mg/L at 20°C

Key value for chemical safety assessment

Additional information

The requirement to test the substance for water solubility is waived because in contact with water the substance rapidly hydrolyses to form methylsilanol and hydrogen chloride. A water solubility of 11,000 mg/l for methylsilanol has been determined by an appropriate validated QSAR method; this is assigned as the key study.