Products Description
Product Description
EB-401 (Trimethylmethoxysilane CAS 1825-61-2) is an alkylsilane supplied worldwide by Guangzhou Epoxysca Material Technology Co., Ltd. The alkyl group provides water repellency and hydrophobic surface modification on mineral fillers and substrates. It is available in export-grade packaging: a batch COA is provided with every shipment, and English TDS/MSDS can be requested from our sales team. Sea or air shipment is arranged according to the goods class and destination requirements. Typical applications include silicone oils & resins and stone & masonry protection.

| Chemical Name | Trimethylmethoxysilane |
|---|---|
| CAS No. | 1825-61-2 |
| Molecular Formula / MW | C₄H₁₂OSi / 104.22 |
| Equivalent grades | Not specified |
Applications
- Silicone oils & resins:Serves as a crosslinker or building block for silicone products Contact us for the English TDS and sample support.
- Stone & masonry protection:Provides deep-penetrating water repellency Export packing and documents are available for this application.
- Epoxy systems:Improves adhesion and toughness of epoxy formulations Contact us for the English TDS and sample support.
- Specialty applications:Improves interface bonding and dispersion in the target system Export packing and documents are available for this application.
Usage & Recommended Dosage
Common process routes and dosage references for EB-401 are summarized below. Detailed English process instructions are available on request.
Recommended practice: process details are provided in the English TDS — contact our technical team.
Recommended practice: dosage reference 1%-5%. Process details are provided in the English TDS — contact our technical team.
Recommended practice: dosage reference 0.5%-2.0%. Process details are provided in the English TDS — contact our technical team.
Packaging & Storage
Store sealed in a cool, dry and ventilated place, away from light and moisture. Standard packing: 20 kg carton, 25 kg plastic drum, 200 kg steel drum or IBC. Other packings available on request. Shelf life: 12 months in unopened original packaging.
Frequently Asked Questions
Can you supply EB-401 for export?
Yes. EB-401 (alkylsilane) is supplied worldwide from Guangzhou Epoxysca. Sea freight (FCL/LCL) and air freight are both available; packing and documents follow the hazardous-goods class and destination port requirements.
How can I get the English TDS, MSDS and COA of EB-401?
A batch COA is provided with every shipment. English TDS and MSDS can be requested from our sales team when inquiring; the technical data on this page follows the same specification as the COA.
What is the MOQ and lead time for EB-401?
Both sample-size and full-packing orders are acceptable. Regular lead time is confirmed per order; sea and air schedules can be arranged according to your destination port or airport.
What are the main applications of EB-401?
Silicone oils & resins and Stone & masonry protection are the primary applications. For formulation advice and dosage recommendations, please refer to the usage section or contact our technical team.
