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EC number: 218-320-6
CAS number: 2116-84-9
is a liquid at
ambient temperature and pressure, with a measured melting point of <-20°C
and a predicted boiling point of 280°C. It has a predicted density of
0.95 g/cm3 at 20°C and a predicted vapour pressure of 0.09 Pa
The substance is not classified
for flammability in accordance with Regulation (EC) No. 1272/2008 on the
basis of a measured flash point of 112.0 ± 1.0°C and
a predicted boiling point of 280°C. It has a measured auto-ignition
temperature of 430°C at 98.5 - 98.8 kPa,
and is not explosive and not oxidising on the basis of structural
In contact with water, the
substance reacts slowly with an estimated half-life of >200 hours at pH
7, >1.9 hours at pH 4 and >2.0 hours at pH 9 and 20-25°C.
The stated half-life is for removal of parent. Complete reaction
to the ultimate end products will take longer. The equation for the
reaction is stated below:
3H2O ¿ 3(CH3)3SiOH + C6H5Si(OH)3
a predicted log Kow of 9.0 at 20°C and a measured water
solubility of 0.0066 mg/l at 23°C. The substance is not surface active
based on structural examination.
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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