3-Aminopropylmethyldiethoxysilane
| Chemical Name: | 3-Aminopropyl methyldiethoxysilane |
| Alias: | 3-(Dimethoxymethylsilyl) propylamine |
| Product Category: | Amino Silanes | Silane Coupling Agent |
| Structural Formula: |  |
| CAS NO.: | 3179-76-8 |
| Molecular formula: | C8h21no2si |
| EINECS: | 221-660-8 |
| Molecular Weight: | 191.34 |
3-Aminopropylmethyldiethoxysilane
Aminopropylmethyldimethoxysilane (CAS 3179-76-8) is a colorless to slightly yellow aqueous solution with a mild ammonia odor, soluble in alcohols, aliphatic hydrocarbons, and aromatic hydrocarbons. This amino-functional silane coupling agent is primarily used as an adhesion promoter to improve the bonding between organic polymers and inorganic substrates.
CAS 3179-76-8 silane contains two different organic functional groups, offering excellent coupling properties with a variety of materials. It is widely applied in industries such as glass fiber, coatings, adhesives, amino silicone oil, and casting.
| Product Name | 3-Aminopropylmethyl diethoxysilane |
| Synonyms | (3-aminopropyl)diethoxymethyl-silan; 1-Propanamine,3-(diethoxymethylsilyl)-; 3-(diethoxymethylsilyl)-1-propanamin; 3-(diethoxymethylsilyl)-1-Propanamine; 3-(diethoxymethylsilyl)-propylamin; 3-[Diethoxy(methyl)silyl]-1-propanamine; |
| Melting point | <-20°C |
| Boiling point | 85-88 °C8 mm Hg(lit.) |
| density | 0.916 g/mL at 25 °C(lit.) |
| refractive index | n20/D 1.426(lit.) |
| Fp | 168 °F |
| form | liquid |
| pka | 10.52±0.10(Predicted) |
| Specific Gravity | 0.916 |
| Water Solubility | Soluble and reacts with water. |
| Sensitive | Air & Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1744264 |
| InChIKey | HXLAEGYMDGUSBD-UHFFFAOYSA-N |
| CAS DataBase Reference | 3179-76-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Propanamine, 3-(diethoxymethylsilyl)-(3179-76-8) |
| EPA Substance Registry System | 1-Propanamine, 3-(diethoxymethylsilyl)- (3179-76-8) |
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3-Aminopropylmethyldiethoxysilane: Guide
3-Aminopropylmethyldiethoxysilane, also known as 3-(Dimethoxymethylsilyl)propylamine, is an adhesion promoter that improves bonding between inorganic materials (like glass, metal, and fillers) and organic polymers (such as thermosets, thermoplastics, and elastomers). It also acts as a surface modifier.
Applications:
- Enhances adhesion between organic materials and inorganic substrates as an adhesion promoter and tackifier.
- Used as a key raw material for amino-modified silicone oil, improving the mechanical and chemical properties of organic compounds.
- Adds low modulus and improves the mechanical and electrical properties in sealant systems.
- Works as a surface modifier for inorganic powders and fillers.
