
3-Aminopropyltrimethoxysilane
Chemical Name: | 3-Aminopropyltrimethoxysilane |
Alias: | γ-Aminopropyl Trimethoxysilane |
Product Category: | Amino Silanes | Silane Coupling Agent |
Structural Formula: | ![]() |
CAS NO.: | 13822-56-5 |
Molecular formula: | C6H17NO3Si |
EINECS: | 237-511-5 |
Molecular Weight: | 221.14500 |
3-Aminopropyltrimethoxysilane Description
3-Aminopropyltrimethoxysilane (CAS 13822-56-5) is a functional silane with amino and methoxy groups. The amino group reacts with various organic resins, including epoxy, acrylic, and phenolic polymers. The trimethoxy group allows it to hydrolyze quickly, improving bonding to inorganic substrates with enhanced wettability and compatibility. It is equivalent to Momentive Silquest A-1110 and Dynasylan AMMO.
Product Name | 3-Acryloxypropyltrimethoxy silane |
Equivalent Product Name | Momentive A-1110, Dow Corning Z-6094, Wacker GENIOSIL GF96, Degussa AMMO, ShinEtsu KBM-903. |
Equivalent Chemical Name | 3-(Trimethoxysilyl) -1-propanamine; 3-Aminopropy ltrimethoxysilane; (3-Aminopropyl) trimethoxysilane; (3-Aminopropyl) trimethoxysilane; |
Physical Properties | Colorless to yellowish transparent liquid. |
Chemical Properties | Silane Coupling Agent RS-A111 (3-Aminopropyl)ethoxysilane (APTES) is used as an aminosilane, mainly as a dispersing agent. APTES attaches amino groups to functional silanes for bioconjugation. |
Appearance | Colorless to yellowish transparent liquid |
Refractive index(n25D) | 1.4165~1.4265 |
Density(25°C),g / cm3 | 1.010-1.020 |
Boiling Point | 91-92°C/15mmHg |
Flash Point | 87°C |
Dissolvability | Be soluble in benzene and ethyl acetate. It can react with water. |
Purity | 98% |
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3-Aminopropyltrimethoxysilane: Guide
A colorless liquid with an amine group and hydrolyzable methoxy group, enhancing adhesion between organic resins and inorganic substrates. Soluble in alcohols and hydrocarbons, it improves bonding in coatings, sealants, and polyurethanes.
Applications:
✔ Surface Modifier – Enhances bonding with fillers and glass fibers.
✔ Adhesion Promoter – Used in SPUR polymers, coatings, and sealants.
✔ Metal Protection – Creates hydrophobic, durable coatings.