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Physical & Chemical properties

Partition coefficient

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Description of key information

Dimethoxymethylsilane: Log Kow 1.4 (QSAR)
Hydrolysis product (methylsilanediol): Log Kow -1 (QSAR)
Hydrolysis product (methylsilanetriol): Log Kow -2.4 (QSAR)
Methanol: -0.82 to -0.64 (measured)

Key value for chemical safety assessment

Additional information

The requirement to test the substance for partition coefficient is waived on the basis that the parent substance hydrolyses rapidly. 

A log Kowvalue of 1.4 was obtained for the substance using an appropriate calculation method. Log Kowvalues of -1 and -2.4 were obtained for the hydrolysis products, methylsilanediol and methysilanetriol respectively, using an appropriate calculation method.

Methanol has a measured log Kowof -0.82 to -0.64 (OECD 2004).