Chemical Product Library / Reference
3-Aminopropyltriethoxysilane
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | 3-Aminopropyltriethoxysilane |
|---|---|
| English synonyms | KH-550;APTES;3-Aminopropyltriethoxysilane |
| Chinese name | 3-氨丙基三乙氧基硅烷 |
| Chinese synonyms | KH-550;γ-氨丙基三乙氧基硅烷;硅烷偶联剂KH550 |
| Chemical category | Silane Coupling Agents |
| CAS No. | 919-30-2 |
| EINECS No. | 213-048-4 |
| Molecular formula | C9H23NO3Si |
| Molecular weight | 221.37 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Purity ≥98.0%; density (20°C) 0.946–0.956 g/cm³; refractive index (n25D) 1.4200–1.4250; water ≤0.5%
Performance characteristics
Colorless transparent liquid, readily hydrolyzes, amino and ethoxy groups provide coupling between organic polymers and inorganic fillers
Application scenarios
Mineral-filled phenolic, polyester, epoxy, PBT, polyamide, polycarbonate resins; adhesives and sealants; glass fiber and mineral wool binders