3-Mercaptopropyltriethoxysilane
Also known as: γ-Mercaptopropyltriethoxysilane, Silane coupling agent KH-580, Silane coupling agent KH-590, Silane coupling agent A-1891, 3-(Triethoxysilyl)propane-1-thiol, 3-(Triethoxysilyl)-1-propanethiol, (3-Mercaptopropyl)triethoxysilane, 3-Triethoxysilyl-1-propanethiol, thiopropyltriethoxysilane, triethoxy(3-mercaptopropyl)silane
3-Mercaptopropyltriethoxysilane (CAS 14814-09-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H22O3SSi and a molecular weight of 238.420 g/mol. Key properties include a boiling point of 242.2±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 100.3±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14814-09-6
- Jingsj CID
- J-1412570-3
- Molecular Formula
- C9H22O3SSi
- Molecular Weight
- 238.420 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 242.2±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 100.3±19.8 °C |
| Exact Mass | 238.105896 |
| PSA | 66.49000 |
| LogP | 2.68 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.446 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Mercaptopropyltriethoxysilane?
The CAS number of 3-Mercaptopropyltriethoxysilane is 14814-09-6.
What are the molecular formula and molecular weight of 3-Mercaptopropyltriethoxysilane?
3-Mercaptopropyltriethoxysilane has molecular formula C9H22O3SSi and molecular weight 238.420 g/mol.
What are the upstream and downstream products of 3-Mercaptopropyltriethoxysilane?
For 3-Mercaptopropyltriethoxysilane, Upstream Products: (3-Chloropropyl)triethoxysilane, Bis(triethoxysilylpropyl) disulfide, Octanoyl chloride; Downstream Products: S-[3-(Triethoxysilyl)propyl] octanethioate, Ethyl octanoate, (3-Chloropropyl)triethoxysilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Mercaptopropyltriethoxysilane (CAS 14814-09-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412570-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.