3-aminopropyltriethoxysilane with CAS 919-30-2 – Image 2

3-aminopropyltriethoxysilane with CAS 919-30-2

CAS:919-30-2

Molecular Formula:C9H23NO3Si

Molecular Weight:221.37

EINECS:213-048-4

Catégories De Produits: Chimie Organique

Synonyms: 3-Aminopropyltriethoxysilane,98%; AMINOPROPYLTRIETHOXYLSILANE; (3-aminopropyl)triethoxy-silan; 1-Propanamine,3-(triethoxysilyl)-; 3-(triethoxysilyl)-1-propanamin; N-(3-Triethoxysilylpropyl)Amine; A 1100; y-Aminopropyltrietoxisilan; Silane coupler KH-550; 3-AMINOPROPYLTRIETHOXYSILANE 99+%; 3-Triethoxysilylpropylamine, APTES; 3-(Triethoxysilyl)-1-propylamine; Dynasylan 1203; Unisilan 13

What is 3-aminopropyltriethoxysilane with CAS 919-30-2?

3-aminopropyltriethoxysilane with CAS 919-30-2 is a kind of organosilane, a colorless liquid with a special ammonia smell and is soluble in solvents such as alcohol, chain hydrocarbons and aromatic hydrocarbons.

3-Aminopropyltriethoxysilane, also known as 3 aminopropyltriethoxysilane, is a colorless to pale yellow liquid with an amine-like odor. It is a versatile organosilane coupling agent widely used to enhance adhesion between inorganic materials and organic polymers. The combination of amine and silane groups enables it to improve surface compatibility, chemical bonding, and crosslinking in various industrial applications.

Spécification

Article	Standard
Apparence	Liquide transparent incolore
La pureté, la%	≥98.0
Indice de réfraction,n²⁵D	1.4180-1.4220
Densité(℃),g/ml	0.9400-0.9500
Insoluble dans l'eau,ml	≤0.2

Applications of 3-Aminopropyltriethoxysilane (CAS 919-30-2)

1. Adhesion Promoter

3-aminopropyltriethoxysilane is widely used as a coupling agent to improve adhesion between inorganic fillers (glass, silica, minerals) and organic matrices in coatings, adhesives, and composites.

2. Surface Modification

Used to functionalize surfaces of glass, metal, and mineral powders, 3 aminopropyltriethoxysilane introduces amino groups that enhance compatibility with polymers and resins.

3. Silicone and Polymer Crosslinking

It is an effective crosslinker in silicone elastomers, epoxy resins, and polyurethane systems, improving mechanical strength and chemical resistance.

4. Corrosion Protection

APTES can be used in coatings and primers to enhance metal protection and improve the durability of protective films.

5. Specialty Applications

3-Aminopropyltriethoxysilane uses also include surface treatment for nanomaterials, preparation of functionalized silica, and as an intermediate in chemical synthesis.