SiSiB® PC7950 Ethyltriacetoxysilane

SiSiB PC7950
Ethyltriacetoxysilane
SiSiB PC7950 is a colorless to yellowish liquid, not miscible with water, decomposes with water and moisture under formation of acetic acid.
Technical Data
CAS No. 17689 77 9
EINECS No.: 241-677-4
Formula C8H14O6Si
Molecular Weight 234.28
Boiling Point 107°C [760mmHg]
Flash Point 106°C
Color and Appearance Colorless or yellowish clear liquid
Density 25/25°C 1.143
Refractive Index [20°C] 1.4123
Purity 90.00%
Application
SiSiB PC7950 ethyltriacetoxysilane, ETAS silane, does not contain any additives such as catalysts, stabilizers or adhesion promotion agents. If required, these additives have to be added to the sealant formulation separately.
SiSiB PC7950 is used as curing agent in acetoxy crosslinking RTV-1 sealant formulations. Within the curing reaction acetic acid is produced as a byproduct. Therefore, the corrosive reaction of the byproduct with substances like marble or iron has to be taken in consideration when using acetate crosslinkers.
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