Date published: 2026-2-2

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(3-Aminopropyl)triethoxysilane (CAS 919-30-2)

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Alternate Names:
APTES; 3-Triethoxysilylpropylamine; APTS
Application:
(3-Aminopropyl)triethoxysilane is an adhesion promoter and adsorbent for affinity chromatography
CAS Number:
919-30-2
Purity:
≥98%
Molecular Weight:
221.37
Molecular Formula:
C9H23NO3Si
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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(3-Aminopropyl)triethoxysilane is an adhesion promoter and adsorbent for affinity chromatography. Used in a preparation of a series of tenary composite films of polyimide/SiO/polydiphenylsiloxane with good optical transparency. (3-Aminopropyl)triethoxysilane (APTES) is a highly utilized aminosilane for chemically modifying various surfaces, including alumina and silica. It acts as an effective adhesion promoter between polymers and substrate materials, facilitating strong bonding.


(3-Aminopropyl)triethoxysilane (CAS 919-30-2) References

  1. Attachment of 3-(Aminopropyl)triethoxysilane on silicon oxide surfaces: dependence on solution temperature.  |  Pasternack, RM., et al. 2008. Langmuir. 24: 12963-71. PMID: 18942864
  2. Surface wettability of (3-aminopropyl)triethoxysilane self-assembled monolayers.  |  Zeng, X., et al. 2011. J Phys Chem B. 115: 450-4. PMID: 21142166
  3. Surface chemical functionalization of starch nanocrystals modified by 3-aminopropyl triethoxysilane.  |  Hao, Y., et al. 2019. Int J Biol Macromol. 126: 987-993. PMID: 30584940
  4. Synergistic Surface Passivation of CH3 NH3 PbBr3 Perovskite Quantum Dots with Phosphonic Acid and (3-Aminopropyl)triethoxysilane.  |  Xu, K., et al. 2019. Chemistry. 25: 5014-5021. PMID: 30682220
  5. Preparation and Effect of (3-aminopropyl)triethoxysilane-Coated LiNi0.5Co0.2Mn0.3O₂ Cathode Material for Lithium Ion Batteries.  |  Shin, MR., et al. 2020. J Nanosci Nanotechnol. 20: 3460-3465. PMID: 31748039
  6. Stable Luminescent CsPbI3 Quantum Dots Passivated by (3-Aminopropyl)triethoxysilane.  |  He, K., et al. 2020. Langmuir. 36: 10210-10217. PMID: 32787045
  7. 3-Aminopropyl-Triethoxysilane Functionalized Graphene Oxide for Silane-Based Consolidation Treatments to Increase Mortar Performances.  |  Cadar, C., et al. 2021. J Nanosci Nanotechnol. 21: 2351-2359. PMID: 33500051
  8. Development of Antimicrobial CuO/(3-aminopropyl)Triethoxysilane Activated Carbon Fiber.  |  Nguyen, TN., et al. 2021. J Nanosci Nanotechnol. 21: 4519-4523. PMID: 33714355
  9. (3-Aminopropyl)triethoxysilane and iron rice straw biochar composites for the sorption of Cr (VI) and Zn (II) using the extract of heavy metals contaminated soil.  |  Medha, I., et al. 2021. Sci Total Environ. 771: 144764. PMID: 33736157
  10. Surface Modification of Nanoporous Anodic Alumina during Self-Catalytic Atomic Layer Deposition of Silicon Dioxide from (3-Aminopropyl)Triethoxysilane.  |  González, AS., et al. 2021. Materials (Basel). 14: PMID: 34501141
  11. Luminescent Coatings Based on (3-Aminopropyl)triethoxysilane and Europium Complex β-Diketophosphazene.  |  Maslennikova, VV., et al. 2022. Polymers (Basel). 14: PMID: 35215646
  12. Dilute Polymerization of Aniline on PDMS Substrate via Surface Modification Using (3-Aminopropyl)Triethoxysilane for Stretchable Strain Sensor.  |  Yim, CJ., et al. 2022. Sensors (Basel). 22: PMID: 35408355
  13. Effect of (3-aminopropyl)triethoxysilane on dissolution of silica nanoparticles synthesized via reverse micro emulsion.  |  Kang, H., et al. 2022. Nanoscale. 14: 9021-9030. PMID: 35703143
  14. Effect of the Coupling Agent (3-Aminopropyl) Triethoxysilane on the Structure and Fire Behavior of Solvent-Free One-Pot Synthesized Silica-Epoxy Nanocomposites.  |  Branda, F., et al. 2022. Polymers (Basel). 14: PMID: 36145998

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(3-Aminopropyl)triethoxysilane, 250 ml

sc-238493
250 ml
$66.00