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Triethoxy(2,4,4-trimethylpentyl)silane CAS NO: 35435-21-3 QM-W3281

CAS No.:35435-21-3
Purity:98%
Place of Origin:Henan China
MF:C14H32O3Si
Appearance:Colorless to Light yellow liquid
Certification:MSDS,COA,TDS
Free Samples

CATEGORY

Isooctyl triethoxysilane is an organosilane material widely used for concrete protection, typically formulated as a paste or a high-concentration impregnating agent. As a small-molecule organosilicon compound, it possesses excellent permeability, allowing it to penetrate deep into the capillary pores of the concrete and chemically bond with the substrate to form a robust, hydrophobic protective network. This material is primarily used to address issues such as water seepage, chloride ion ingress, rebar corrosion, and freeze-thaw damage, serving to enhance the durability of concrete structures in harsh environments—including seaport terminals, cross-sea bridges, tunnels, and industrial facilities. Unlike traditional surface coatings, the protective layer formed by isooctyl triethoxysilane is “breathable”; it blocks the ingress of liquid water while allowing internal water vapor to escape, thereby effectively extending the service life of the concrete structure.

Product picture:

Function

Isooctyltriethoxysilane is widely used for the protection of various reinforced concrete structures, making it particularly suitable for harsh environments.

In transportation infrastructure, it is applicable to cross-sea bridges, viaducts, highway and railway bridges, tunnels, and airport runways.

In marine engineering, it is suitable for structures exposed to seawater corrosion and freeze-thaw damage, such as seaport terminals, breakwaters, and offshore platforms.

In industrial construction, it is used in environments subject to chemical attack, including sewage treatment plants, landfills, thermal and nuclear power plants, and chemical facilities.

Additionally, in civil construction, it is frequently applied to the exterior walls, roofs, basements, and parking facilities of high-end commercial buildings.

Technical Specifications:

Item	Specification	Typical Value
Appearance	Colorless Transparent Liquid	Colorless Transparent Liquid
Color (Pt-Co)	≤25	5
Content (%)	≥98.5	99.83
Refractive Index (n25D)	1.4080–1.4180	1.4140