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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Table 4.1.5. Degradation rates

Degradation rate in water:

Hydrolysis half-life: approximately 30 h at pH 7 and 20-25°C, for removal of parent (predicted). No significant biodegradation expected for the silanol hydrolysis product.

Degradation rate in sediment:

No data are available regarding degradation in sediment

Degradation rate in soil:

No data are available regarding degradation in soil.

Degradation rate in air:

Half-life for reaction with hydroxyl radicals in air: 0.6 days (calculated) for parent.

Half-life for reaction with hydroxyl radicals in air of silanol hydrolysis product: 0.8 days (calculated).