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PH1277 (3-Aminopropyl)triethoxysilane Maximize
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PH1277 (3-Aminopropyl)triethoxysilane

Catalog No.PH1277
AppearanceColorless transparent liquid
Chemical FormulaC9H23NO3Si
CAS Number919-30-2
Density0.946 g/cm3
Melting Point221.30 °С
Formula Weight221.30
Boiling point215 °С at 760 mmHg

High Quality (3-Aminopropyl)triethoxysilane
Stanford Advanced Materials (SAM) now can supply (3-Aminopropyl)triethoxysilane applied in various industries.
Related products: 3-Methacryloxypropyltrimethoxysilane, (3-Glycidoxypropyl)triethoxysilane, Vinyltrimethoxysilane, Triethoxyvinylsilane

More details


(3-Aminopropyl)triethoxysilane, also known as 3-Triethoxysilylpropylamine, APTES, APTS, is completely and immediately soluble in water, alcohol, aromatic and aliphatic hydrocarbons. When stored at or below 25 °С in the original unopened containers, it has a usable life of 24 months from the date of production, and should avoid exposure to atmospheric moisture to prevent gelation.



Chromatography purity: ≥97
Refractive index: 1.420-1.425
Storage condition: Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Moisture sensitive. Store under inert gas.


(3-Aminopropyl)triethoxysilane a versatile amino-functional coupling agent used over a broad range of applications to provide superior bonds between inorganic substrates and organic polymers.
Its commercial uses are numerous, including:
-coupling agents and adhesion promoters in fiberglass
-adhesives and sealants
-foundry resins
-pre-treatment for coatings.


-100g plastic sample bottle
-5kg, 25kg plastic barrel

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