CAS 14814-09-6: (3-Mercaptopropyl)triethoxysilane
Description:(3-Mercaptopropyl)triethoxysilane, with the CAS number 14814-09-6, is an organosilane compound characterized by the presence of a mercaptopropyl group and three ethoxy groups attached to a silicon atom. This compound typically appears as a colorless to pale yellow liquid and is known for its ability to form siloxane bonds with various substrates, making it useful as a coupling agent and surface modifier. The mercapto group (-SH) provides thiol functionality, which can participate in various chemical reactions, including cross-linking and the formation of disulfide bonds. This property enhances adhesion to metals, glass, and other materials, making it valuable in applications such as coatings, adhesives, and sealants. Additionally, the ethoxy groups facilitate hydrolysis and condensation reactions, allowing the compound to bond effectively to surfaces in the presence of moisture. Overall, (3-Mercaptopropyl)triethoxysilane is utilized in diverse fields, including materials science, nanotechnology, and the development of functionalized surfaces.
Formula:C9H22O3SSi
InChI:InChI=1S/C9H22O3SSi/c1-4-10-14(11-5-2,12-6-3)9-7-8-13/h13H,4-9H2,1-3H3
InChI key:InChIKey=DCQBZYNUSLHVJC-UHFFFAOYSA-N
SMILES:SCCC[Si](OCC)(OCC)OCC
- Synonyms:
- (3-Mercaptopropyl)triethoxysilane
- (3-Thiopropyl)triethoxysilane
- (γ-Mercaptopropyl)triethoxysilane
- 1-Propanethiol, 3-(triethoxysilyl)-
- 3-(Triethoxysilyl)-1-propanethiol
- 3-(Triethoxysilyl)Propane-1-Thiol
- 3-(Triethoxysilyl)propyl mercaptan
- 3-Mecaptopropyltriethoxysilane
- 3-Mercaptopropyltriethoxy silane
- A 1891
- See more synonyms
- Db 580
- Dynasylan 3201
- Hd 113
- Jh-S 1891
- Kh-580
- Lmd 81
- M 1505
- Mptes
- Si 263
- Silane Coupling Agent A-1891
- Silane Coupling Agent KH-590
- Silquest A 1891
- Triethoxy(3-mercaptopropyl)silane
- VP-Si 263
- Z 6910
- gamma.-Mercaptopropyltriethoxysilane
- γ-Mercaptopropyltriethoxysilane
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | (3-Mercaptopropyl)triethoxysilane REF: 3B-M1505CAS: 14814-09-6 | >96.0%(GC)(T) | 38.00 €~250.00 € | Mon 31 Mar 25 |
![]() | (3-Mercaptopropyl)triethoxysilane, 94% REF: 02-B21191CAS: 14814-09-6 | 94% | To inquire | Tue 01 Apr 25 |
![]() | 3-Mercaptopropyltriethoxysilane REF: 10-S10451CAS: 14814-09-6 | 97% | 29.00 €~96.00 € | Thu 03 Apr 25 |
![]() | (3-Mercaptopropyl)Triethoxysilane REF: 54-OR1008130CAS: 14814-09-6 | 98% | 32.00 €~2,538.00 € | Tue 08 Apr 25 |
![]() | 3-MERCAPTOPROPYLTRIETHOXYSILANE, 92% REF: 3H-SIM6475.0CAS: 14814-09-6 | 92% | - - - | Discontinued product |
![]() | (3-Mercaptopropyl)triethoxysilane REF: 3D-FM62907CAS: 14814-09-6 | Min. 95% | - - - | Discontinued product |

(3-Mercaptopropyl)triethoxysilane
Ref: 3B-M1505
25g | 38.00 € | ||
100g | 82.00 € | ||
500g | 250.00 € |

(3-Mercaptopropyl)triethoxysilane, 94%
Ref: 02-B21191
25g | 92.00 € | ||
100g | To inquire |

3-Mercaptopropyltriethoxysilane
Ref: 10-S10451
25g | 29.00 € |

Ref: 54-OR1008130
25g | 32.00 € | ||
100g | 36.00 € | ||
25kg | 2,538.00 € | ||
500g | 76.00 € | ||
2.5kg | 298.00 € |

3-MERCAPTOPROPYLTRIETHOXYSILANE, 92%
Ref: 3H-SIM6475.0
25g | Discontinued | Request information | |
2kg | Discontinued | Request information | |
100g | Discontinued | Request information | |
15kg | Discontinued | Request information | |
180kg | Discontinued | Request information |

(3-Mercaptopropyl)triethoxysilane
Ref: 3D-FM62907
25g | Discontinued | Request information | |
50g | Discontinued | Request information | |
100g | Discontinued | Request information | |
250g | Discontinued | Request information | |
500g | Discontinued | Request information |