Phenyltriethoxysilane
CAS 780-69-8
EC 212-305-8
Formula C12H20O3Si
MW 240.37 g/mol
Silicones & Silicates Coatings, Adhesives, Sealants & ElastomersPlastics & PolymersAutomotivePersonal Care & CosmeticsElectronics Surface Modification & WettingCross-linking & CuringPlasticizer & SoftenerEmulsification & Dispersion
Description
Phenyltriethoxysilane (CAS 780-69-8) is an organosilane compound supplied under trade designations including CP0320, PTS 32, P 0320, TSL 8178, and KBM 202LS4480. It carries no assigned E-code and is classified within the silicones and silicates chemical family.
In coatings and sealant formulations, phenyltriethoxysilane functions as a crosslinker by reacting with surface hydroxyl groups to form durable siloxane networks that improve adhesion to glass, metal, and mineral substrates. In personal care applications, it acts as an emollient and hair conditioner by depositing a hydrophobic silicone film that reduces friction and improves surface feel.
Phenyltriethoxysilane is available in standard industrial grades and is subject to REACH registration requirements for supply within the EU. It is handled under HS code 29310095 for customs classification. Procurement teams should confirm grade specifications and packaging formats directly with the supplier based on application requirements.
In coatings and sealant formulations, phenyltriethoxysilane functions as a crosslinker by reacting with surface hydroxyl groups to form durable siloxane networks that improve adhesion to glass, metal, and mineral substrates. In personal care applications, it acts as an emollient and hair conditioner by depositing a hydrophobic silicone film that reduces friction and improves surface feel.
Phenyltriethoxysilane is available in standard industrial grades and is subject to REACH registration requirements for supply within the EU. It is handled under HS code 29310095 for customs classification. Procurement teams should confirm grade specifications and packaging formats directly with the supplier based on application requirements.
Physical Properties
| Melting Point | <-50°C |
| Boiling Point | 235.00 °C |
| Density | 0.996 g/cm³ |
| Flash Point | 109 °F |
| Appearance | Colorless transparent liquid |
| Color | Colorless to Almost colorless |
| Odor | Mild odor |
| Form | liquid |
| Water Solubility | insoluble |
| Vapor Pressure | 0-7910Pa at 20-25℃ |
| Refractive Index | n 20/D 1.461(lit.) |
| Log P | -0.31-3.4 at 22℃ |
Safety & Handling (Learn More)
Warning GHS02 GHS07 GHS08
H
H226H315H373H412
P
P210P233P240P241P242P243P260P264P273P280P319P321P501P302+P352P332+P317P362+P364P370+P378P403+P235P303+P361+P353
Trade & Regulatory
| HS Code | 29310095 |
| UN Number | 1993 |
| ADR Class | 3 |
| Packing Group | III |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 3 |
Other Names
triethoxy(phenyl)silaneP 0320PTS 32TSL 8178KBM 202LS4480TriethoxyfenylsilanTriethoxyphenylsilanephenyltriethoxy-silan
Related Products
Raw Materials
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