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EC number: 213-650-7
CAS number: 998-30-1
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 triethoxysilane due
to its rapid hydrolysis in contact with water.
The HLC cannot be calculated for the silanol hydrolysis product as
there is no vapour pressure data andthe
vapour pressure prediction is not applicable to inorganic silanols. The
volatility of the hydrolysis product is expected to be very low based on
its structure (small molecule silanols are predicted to have low vapour
pressures) and its high water solubility.
The HLC for ethanol at
environmental temperature (15°C) is low, 0.000252. Pa m3mol-1(SIDS,
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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