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Description of key information

Key value for chemical safety assessment

Additional information

The transfer of a substance from the water phase to the gas phase can be estimated by means of the Henry’s Law Constant (HLC). No measured value for this parameter is available. The HLC can be estimated from the ratio of the vapour pressure to the water solubility.


Volatilisation from water is not relevant for trimethoxyphenylsilane due to its rapid hydrolysis in contact with water.

The calculated HLC value for phenylsilanetriol at environmental temperature (12°C)is low, 4.0 E-09 Pa m3mol-1