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Thermo Scientific™ (3-Mercaptopropyl)trimethoxysilane, 95%
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | Thermo Fisher Scientific™, thermo Scientific | ||
| Product Grade | Analytical grade | Formula | HSH₂CCH₂CH₂Si(OCH₃)₃ |
Thermo Scientific™ (3-Mercaptopropyl)trimethoxysilane (MPTMS) is a versatile silane coupling agent and organosilane reagent with wide applications in nanotechnology, surface functionalization, and materials chemistry.
It serves as a capping agent for semiconductor nanocrystals, a linker molecule in surface modification, and a precursor in silica-based materials. Its thiol group enables strong affinity for gold and other noble metals, making it widely used in biosensors, gold multilayer assemblies, and electrode fabrication.
This product was originally part of the Alfa Aesar portfolio and is now available under the Thermo Scientific Chemicals brand.
Chemical Identifiers
| Property | Value |
|---|---|
| CAS Number | 4420-74-0 |
| IUPAC Name | 3-(trimethoxysilyl)propane-1-thiol |
| Molecular Formula | C6H16O3SSi |
| Molecular Weight | 196.34 g/mol |
| InChI Key | UUEWCQRISZBELL-UHFFFAOYSA-N |
| SMILES | COSi(OC)OC |
Specifications
| Property | Specification |
|---|---|
| Form | Liquid |
| Appearance | Clear, colorless |
| Purity (GC) | ≥94.0% |
| Refractive Index (20°C) | 1.4405 – 1.4465 (UK sourced material) |
| Identification (FTIR) | Conforms (UK sourced material) |
| Source | Material sourced in UK and US |
Solubility
Miscible with:
- Methanol, Ethanol, Isopropanol
- Acetone
- Benzene, Toluene, Xylene
Applications
- Nanomaterials: Capping molecule for cadmium sulphide nanocrystals.
- Surface Modification: Linker for preparing gold multilayers, carbon nanotubes, and bilayer-modified electrodes.
- Molecular Adhesive: Fabrication of vapor-deposited gold electrodes on glass substrates.
- Hybrid Materials: Precursor for silica and functionalized sol-gel materials.
- Membranes: Used in proton exchange membrane development (sulfonic acid functionalized hybrids).
Safety & Handling
- Hazards: Air and moisture sensitive.
- Incompatibilities: Strong oxidizing agents, strong acids, alcohols, water.
- Stability: Decomposes in water.
- Precaution: Handle under dry conditions; store tightly closed.
- Classification: RUO – Research Use Only.
References
- Hau, N. Y.; Chang, Y. H.; Feng, S. P. Electrochim. Acta (2015), 158, 121-128.
- Mosa, J.; Durán, A.; Aparicio, M. J. Power Sources (2015), 297, 208-216.
Ordering Information
| Catalog Number | Size | Packaging |
|---|---|---|
| B23726.14 | 25 g | Bottle |
| B23726.22 | 100 g | Bottle |
| B23726.36 | 500 g | Bottle |
The Thermo Scientific™ (3-Mercaptopropyl)trimethoxysilane (MPTMS) is a high-purity silane coupling reagent essential for surface chemistry, nanotechnology, electrode fabrication, and silica precursor synthesis. Its strong thiol-metal affinity and compatibility with sol-gel processes make it a versatile tool for researchers in materials science, electrochemistry, and nanofabrication.
- Pack Size: 100g 500g 25g