Silicic Acid Esters | Silicates | Polysilicates | Orthosilicates | Silane Passivating Agents

SiSiB® PC5460

Tetra Butyl Glycol Silicate .
Synonym: Tetrakis(butoxyethoxy)silane

Countertype of DYNASIL BG

Chemical Structure


Silicon esters are silicon compounds that contain an oxygen bridge from silicon to an organic group, for example, Si-OR.

Typical Physical Properties

Chemical Name: Tetrakis(2-butoxyethyl)orthosilicate
CAS No.: 18765-38-3
EINECS No.: 242-560-0
Empirical Formula: C24H52O8Si
Molecular Weight: 496.75
Boiling Point: 205°C [1.3mmHg]
Flash Point: 92°C
Color and Appearance: Colorless transparent liquid
Density [25°C]: 0.970
Refractive Index [25°C]: 1.444 [20°C]
Active Content: Min.98.0% by GC


SiSiB PC5460 can be used to modify suface of silica to obtain hydrophobic property.

SiSiB PC5460 can be used as crosslinkers for room temperature vulcanizing silicone sealant.


Net weight 190Kg steel drum or 950Kg IBC container, for more details, please visit Packing Centre.

Technical Library

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