(3-Aminopropyl)triethoxysilane

(3-Aminopropyl)triethoxysilane

Structural formula of (3-aminopropyl)triethoxysilane
Names
Preferred IUPAC name 3-(Triethoxysilyl)propan-1-amine
Identifiers
CAS Number	919-30-2 Y
3D model (JSmol)	Interactive image
ChemSpider	12933
ECHA InfoCard	100.011.863
PubChem CID	13521
UNII	L8S6UBW552 Y
CompTox Dashboard (EPA)	DTXSID2027333
InChI InChI=1S/C9H23NO3Si/c1-4-11-14(12-5-2,13-6-3)9-7-8-10/h4-10H2,1-3H3 Key: WYTZZXDRDKSJID-UHFFFAOYSA-N InChI=1/C9H23NO3Si/c1-4-11-14(12-5-2,13-6-3)9-7-8-10/h4-10H2,1-3H3 Key: WYTZZXDRDKSJID-UHFFFAOYAI
SMILES CCO[Si](CCCN)(OCC)OCC
Properties
Chemical formula	C9H23NO3Si
Molar mass	221.372 g·mol−1
Density	0.946 g/mL[1]
Melting point	−70 °C (−94 °F; 203 K)
Boiling point	217 °C (423 °F; 490 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

(3-Aminopropyl)triethoxysilane (APTES) is an aminosilane frequently used in the process of silanization, the functionalization of surfaces with alkoxysilane molecules. It can also be used for covalent attaching of organic films to metal oxides such as silica and titania.